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Limited Edition Designer Toys
Have you ever bought something only because it was 'designer' regardless of practicality or cost? Do you faithfully attend the various furniture fairs around the world from Milan to Shanghai? Do you have a favourite designer? Do words like Icon, Blueprint and Wallpaper mean more to you than a random string of nouns? If so, then welcome to The Cult of Design.
The pragmatic Modernist ideals of 'form follows function' seems to have given way to the glamorous idea of Design with a capital D. In the world of Design, designers command loyal followers, chairs sit on pedestals and lemon juicers become topics of controversy.
So, what does Design mean for design?
Where consumption is the new religion, this project explores the growing worship of Design and seeks to stimulate discussion of this contemporary phenomenon.
So, if you find yourself coveting these limited edition designer toys, ask yourself why.
Olivia Lee Yunn Si
o.olivia.lee@gmail.com
Aston Martin has returned to one of their historic nameplates for their 4-door Grand Touring saloon.
Rapide is the name given to a previous incarnation of the 4-door concept.
Built from the Aston Martin VH (Vertical-Horizontal) aluminium architecture, the Rapide includes an additional 300mm within the wheelbase, allowing for another set of doors, and a more spacious 2nd row of seats. The body also adds a tailgate, opening to the roof, to improve luggage capacity and access.
The Rapide is powered by a 350 kW version of the Aston Martin 5.9 litre V12.
A stylish mode of saloon format luxury, the Rapide as a valuable addition to the Aston Martin marque for those looking for a bit more practicality from their Grand Touring.
This lego model has been created for Flickr LUGNuts 60th Build Challenge, our fifth birthday, to the 32nd Build Challenge, - 'God Save the Queen', celebrating automobiles and associated transport from the land of the United Kingdom.
This lego model include a lego vee-engine, rear-wheel-drive, and rear independent suspension. The body has four doors, rear liftback tailgate and bonnet (hood).
design
Giandomenico Belotti
Strength and practicality characterize the new outdoor green pvc collection. Frames
in brushed stainless steel design the new wide stacking chairs seats, with arms, and
the practical sun loungers, together with the comfortable armchair, are today offered
with seats and backs in PVC available in colours: tortora and light grey.
Resistenza e praticità caratterizzano la nuova collezione per esterno green pvc. Strutture
in acciaio inox spazzolato disegnano le nuove ampie sedute delle sedie impilabili,
con braccioli, e dei pratici lettini da oggi proposti, assieme alle confortevoli poltroncine,
con sedute e schienali nella tessitura in tondino di PVC disponibile nei colori tortora
e grigio chiaro.
Aston Martin has returned to one of their historic nameplates for their 4-door Grand Touring saloon.
Rapide is the name given to a previous incarnation of the 4-door concept.
Built from the Aston Martin VH (Vertical-Horizontal) aluminium architecture, the Rapide includes an additional 300mm within the wheelbase, allowing for another set of doors, and a more spacious 2nd row of seats. The body also adds a tailgate, opening to the roof, to improve luggage capacity and access.
The Rapide is powered by a 350 kW version of the Aston Martin 5.9 litre V12.
A stylish mode of saloon format luxury, the Rapide as a valuable addition to the Aston Martin marque for those looking for a bit more practicality from their Grand Touring.
This lego model has been created for Flickr LUGNuts 60th Build Challenge, our fifth birthday, to the 32nd Build Challenge, - 'God Save the Queen', celebrating automobiles and associated transport from the land of the United Kingdom.
This lego model include a lego vee-engine, rear-wheel-drive, and rear independent suspension. The body has four doors, rear liftback tailgate and bonnet (hood).
`The new exhibition at Bendigo Art Gallery, Gothic Beauty: Victorian notions of love, loss and spirituality traces the Victorian gothic into contemporary art, and brings together the work of a variety of artists who explore these ideas.
Of course, the business of death – that is, the protocols for managing human death, as well as its associated rituals and practices – has been a part of civic life in Bendigo since the city’s earliest days. While the practicalities of this ubiquitous profession are often unseen, death was a visible part of everyday life in the Victorian era. The Gothic Beauty exhibition includes a spectacular late 19th century horse-drawn hearse, on loan courtesy of Mulqueen Family Funeral Directors in Bendigo. While the maker of this particular hearse is unknown, models such as this were commonly used as funeral carriages in central Victoria in the late nineteenth century until as late as the 1930s, when motorised hearses were introduced.
Undertakers of the colonial era often came from a carpentry background, and utilised their skills in making coffins. In 1860, when Peter Fizelle arrived in Sandhurst (as Bendigo was known until 1891), he established a cab proprietorship, hiring his horses and carriages out to townsfolk in the thriving gold rush town. Some of the town’s undertaking businesses were amongst his regular customers. Fizelle, whose horse-drawn conveyances had become integral to the provision of funeral services in Sandhurst, transitioned into the funeral business in 1886. The partnership between Fizelle and Mulqueen, Bendigo’s oldest undertaking business, extends back to 1901.' (BAG)
1907
`The last sad rites in connection with the death of the late Mr. John Goyne, J.P., were observed yesterday, when his remains were interred in the Methodist portion of the White Hills Cemetery. The body was brought from Pakenham on Thursday, and conveyed to his late residence, "Rosemundy
House," Epsom. The high esteem in which the deceased gentleman was held was evidenced by the large assemblage of friends, including representative gentlemen from Bendigo and district. The hearse was drawn by four draped horses, and there were four mourning carriages. ' (Bendigo Advertiser)
`Fizelle and Mulqueen, Bendigo `Mr. Thomas Abell began the business in 1853 before selling it in 1854 to Mr. Thomas Joseph Oakley who operated it until his death in 1885.
Thomas Oakley’s son William took over the business in partnership with Mr. Peter Fizelle from 1886 to 1895 when Peter Fizelle became the sole proprietor.
On February 5th 1900 the firm became Fizelle and Mulqueen following the marriage of Mr.Fizelle’s daughter, Elizabeth, to Michael Mulqueen, an Irish immigrant who had arrived on the Goldfields in 1891.
In 1934, the company became Mulqueen & Sons, and was managed by the couple’s son John, until his death in 1950...'
The Jaguar I-PACE is the electric vehicle drivers have been waiting for Clean, smart and safe, the
I-PACE delivers sustainable sports car performance, next-generation artificial intelligence (AI) technology and five-seat SUV practicality to place Jaguar at the forefront of the EV revolution.
The architecture of the New South Wales Fire Brigades (NSWFB) reflected the prevailing architectural styles of the time, which were often influenced by Art Deco and Interwar Functionalism. Interwar Functionalism also influenced fire station design, emphasising functionality, efficiency, and simplicity in form and layout. Fire stations built during this era prioritised practicality while incorporating modern architectural trends, reflecting the evolving needs and aesthetics of the NSWFB.
Junee's railway history traces back to the 1860s when it became a crucial junction on the Main South railway line, facilitating connections between major Australian cities. The railway spurred the town's growth and development, attracting industries and settlers to the area. Broadway, Junee's main street, flourished as a commercial and social hub, lined with Victorian-era buildings that reflected the town's prosperity. Architecturally, Junee boasts a mix of Victorian, Federation, and Art Deco styles, with heritage-listed structures such as the Junee Railway Station and the Commercial Bank building showcasing its historical significance.
www.youtube.com/user/thedahldifference
From Edmunds (http://www.edmunds.com/ford/flex/2009/review.html) -
Featuring conventional rear doors instead of the maximally convenient sliding variety, the Flex nonetheless constitutes a compelling package for families who just can't stomach the idea of rolling in a blatantly utilitarian conveyance. Seven adults can fit comfortably inside its elongated cabin, and access to the third row is a cinch with the optional power-folding second-row seats, though a bit of a pain without them. The second-row seats also slide fore and aft, while an optional refrigerator inside the rear console keeps perishables cool while driving. With the rear seats flipped down and the second row flipped forward, the Flex offers a large cargo area, though minivans are still considerably more capacious.
It's hard to predict whether the new Ford Flex will be a success, but Ford deserves credit for boldly bringing such an unconventional yet well-thought-out offering into the marketplace. In theory, the Flex should appeal to any family looking for a winning combination of panache and practicality. We suggest that consumers looking at either a minivan or a large crossover SUV give it strong consideration.
1896-built L&YR number 1300 (later LMS 12322 and BR 52322) arrived at Ribble Steam Railway in mid-December 2009 from the ELR.
The Lancashire and Yorkshire Railway (L&YR) Class 27 is a class of 0-6-0 steam locomotive designed for freight work.
They were designed by John Aspinall and 484 were built between 1889 - 1918 at Horwich works. The Class 27 was the standard goods engine of the Lancashire & Yorkshire Railway. Aspinall opted for the two cylinder format with a non superheated round top boiler. David Joy's configuration of valve gear was employed. By the time of Aspinall's departure from the L&YR in 1899 over 400 of these simple but powerful engines had been built. More were built under his successor Henry Hoy and George Hughes, albeit with some modifications. By 1918 the class totalled 484.
It was under Hughes that the class became the subject of early experiments in superheating. This was the process of increasing the temperature of the steam produced in the boiler so the minimum of energy was lost. After many months of trails a further 20 superheated engines were authorised to be built and the first of these superheated class 27's emerged from Horwich Works in 1909. The superheated 27's retained the boiler pressure of the originals (180 psi). This first batch had round topped boilers but in 1912 a second batch of 20 was constructed with Belpaire fireboxes.
Although the class was augmented by a further 60 engines between 1900 and 1909 with another ten added in 1917-18. The final five built reverted entirely to the original 1889 specification. It is a tribute to the soundness usefulness and simple practicality of Aspinall's design that some 300 of the class passed into the hands of the LMS and around 50 were still in British Railways service as late as the summer of 1960.
The quilted dip dye jacket from British heritage designers Barbour combines practicality and fashion. Featuring a unique dip dye effect quilted outer, stud front fastening and classic corduroy collar and trims, this stylish Barbour jacket will keep you warm on a chilly spring/summer evening.
Klick Link For Read Online Or Download Louis Vuitton: 100 Legendary Trunks Book : bit.ly/2eHt79O
Feature
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Trains and steamships transformed transportation in the mid-19th century and opened the world to a new breed of traveler. Louis Vuitton understood the need for more practical luggage, and strove to create products that were adaptable to all situations—and the travel trunk was born.  Authors Pierre Léonforte and Éric Pujalet-Plaà curate 100 of the finest trunks the Louis Vuitton company has produced on commission, including boxes made for movie stars from Douglas Fairbanks to Sharon Stone and couturiers from Jeanne Lanvin to Karl Lagerfeld, as well as cases designed for Ernest Hemingway, Leopold Stokowski, and Damien Hirst. Illustrated with 600 images taken from the Louis Vuitton archives and new photographs made especially for this book, this is the definitive history of personalized objects of both practicality and luxury. Â
The Skoda Octavia MK2, introduced in March 2004, was a popular choice for its practicality, spaciousness, and value. It offered a wide range of engines, including both petrol and diesel options, and was available in liftback and estate (station wagon) body styles. The MK2 is known for its comfortable ride, especially on less-than-perfect roads, and the vRS performance models provide a fun driving experience.
The second-generation Skoda Octavia (Mk2) sold over 2.5 million units, making it the most successful model for Skoda. It was a frequent award winner, recognized for its value, practicality, and design. It received accolades from both motoring publications and customer satisfaction organizations, including Auto Express, What Car?, and the Red Dot Awards.
The Octavia MK2 received a facelift in 2009, bringing about a range of changes, including styling updates, new engine options, and upgraded interior features.
The production of Skoda Octavia MK2 ended in March 2013 and was succeeded by the Octavia MK3.
Ayesha Al Quds cordially invited to participate in its launching event, the “Jerusalem Ka3ek Festival” on Sunday October 23rd 2011 at Dar il Tiffel School in Sheikh Jarrah.
Shortly about me:
It’s my passion to create stories and bring back pictures of events, people and places that are rarely seen. It’s a combination of exploration, exposition and artistry that together create a life of adventure and excitement.
In my work it is imperative for me that information be accurate and the images must be respectful of the subject and viewer. My goal is to combine creativity with practicality to capture the best possible images to document events, tell a story, meet the picture editor's deadlines.
The exhibition. “Beautiful Faces of Balata” currently on show at the Church of the Ascension at the “Kaiserin Auguste Victoria Foundation” on the Mount of Olive's can be visited on a virtual tour on my website. Virtual tour of the Exhibition »
The exhibition is a project of Public Culture - Palpics, under the auspices of the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and the Yafa Cultural Center (YCC) .
If you would like to know more, or even just pick my brains to discuss your project with me, please visit my homepage documentary photography or send me an Email.
310 Claydon Way is located in one of the finer neighborhoods of Sacramento. Having the advantage of being almost riverside, access to the American River Parkway and bicycle path is just one block from the home, providing lovely walks through incredible natural scenery and wildlife.
Year round, this beautiful neighborhood known as Wilhaggin, shows off its aesthetic pride with floral blossoms and blooms. Unlike other fine neighborhoods in the Sacramento area, Wilhaggin is mostly composed of sprawling single story dwellings. with wide streets, sidewalks and street lights.
The "ambiance" of this kind of neighborhood intention is palpable -- quietude, modest elegance, comfortable curb appeal, an abundance of mature and establish landscaping and shade trees.
Back when these houses were made in the sixties -- before magazine living lifestyle took over and replaced practicality with the discomforts of looking sharp -- strong bones and durability were time-honored architectural concepts. Pleasing oneself was more important than pleasing the neighbors, so the focus of the aesthetic addressed things like "hot summers", "colder winters" and the need for shade and light.
There were many independent builders at that time who became famous for their designs and also for their creative concepts for creating ideal settings for a river-living climate.
Among those that rose to fame, Lewis & Bristow are known for their comfortable living designs that centered around poolside appreciation. Shaped like a "U", 310 Claydon Way has three giant sliders that open up onto a giant back yard patio. The patio has roll-down awnings for late afternoon sun shade but also lends itself to an outside office or enclosed dinner-time eating.
The automated irrigation system has just been completely restored and upgraded. Other changes that have been done recently include brand new carpet, new paint and a remodeled entry way.
The grounds are fully established and mature. There are an abundance of roses and azaleas which bloom seasonally. The redwood trees on the property and surrounding the property in the backyard are invaluable for shade and beauty.
And 310 Claydon Way is loaded with all manner of little details of this nature which make it easy to maintain with a minimal amount of work. A truly beautiful home with over 3100 square feet, 310 Claydon way has been called "Shangri La" and has particularly great appeal to a buyer who loves outdoor living as much as indoor living.
BASIC DETAILS:
2 car garage
It's a four bedroom home with the following breakdown:
2 bedrooms
Gigantic master suite with walk in closet
a fully functioning 15' x 22' sky-lighted with bay windows live/work studio suite or playroom nursery (wet bar sink in studio and giant bathroom with shower).
Pool
Established landscaping and strategically placed and invaluable Sequoia trees.
House-wide vacuuming system.
Attic exhaust fan system and shade awnings.
Built in cabinetry throughout.
The Jaguar I-PACE is the electric vehicle drivers have been waiting for Clean, smart and safe, the
I-PACE delivers sustainable sports car performance, next-generation artificial intelligence (AI) technology and five-seat SUV practicality to place Jaguar at the forefront of the EV revolution.
Third generation of the Berlingo tall van, in the market since June of 2018. The new Berlingo sticks to the mission of its predecessors, offering an affordable family car. Engine choices include one three-cylinder petrol (110 PS) and three four-cylinder diesels (76 - 130 PS). I like how Citroën incorporated some of the design elements of the C4 Cactus and C3 into the Berlingo, bringing a touch of style to a class normally ruled by practicality.
The Berlingo shares its platform with the Opel Combo and Peugeot Rifter.
On exhibit at the Mondial de l'Auto 2018 in Paris.
Shortly about me:
It’s my passion to create stories and bring back pictures of events, people and places that are rarely seen. It’s a combination of exploration, exposition and artistry that together create a life of adventure and excitement.
In my work it is imperative for me that information be accurate and the images must be respectful of the subject and viewer. My goal is to combine creativity with practicality to capture the best possible images to document events, tell a story, meet the picture editor's deadlines.
The exhibition “Beautiful Faces of Balata” currently on show at the Church of the Ascension at the “Kaiserin Auguste Victoria Foundation” on the Mount of Olive's can be visited on a virtual tour on my website. Virtual tour of the Exhibition »
The exhibition is a project of Public Culture - Palpics, under the auspices of the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and the Yafa Cultural Center (YCC) .
If you would like to know more, or even just pick my brains to discuss your project with me, please visit my homepage documentary photography or send me an Email.
The Edrington Group, owners of The Famous Grouse whisky has placed a giant wireframe sculpture of ‘The Grouse’, at Broxden roundabout in Perth to mark the city's 800th anniversary.
The sculpture was made by Ruaraig Maciver of Beltane Studios and was placed in situ on Sunday 21 November 2010 .
“We felt the wireframe design was the best approach because it looked elegant and nimble, but there was also the practicality of erecting a large sculpture (with raised wings) so high when winds can be extremely forceful in that area. The wireframe allows the air to circulate and causes less drag,” said designer, Gary Doherty.
On the North Yorkshire Moors it is best to balance style with practicality. The important thing is that the Bride and Groom actually arrive at the church, which given the landscape and the weather conditions can sometimes present a problem. My cousin was married at St Hilda's Church, Danby, North Yorkshire, on Friday (24/9/10) and the transport of the Bridal Pary was courtesy of Landrover.
Sheridan&Co were given the task to translate this premium Italian brand and create an appropriate retail site that would sit comfortably within a supermarket environment. The challenge was to strike a balance between showcasing a premium, consultation-based cosmetics brand and combine the practicalities of a self-select unit in a 24 hour supermarket. These images show what we created for their site located in Tesco’s, Dudley.
Can technology help prevent and respond to gender-based violence (GBV), particularly in low- and middle-income countries? Increasingly, cell phones, cameras, crowd-sourcing, and mobile apps are being used in innovative ways to address GBV, but questions surrounding ethics, effectiveness, and practicality remain. The Interagency Gender Working Group, U. S. Agency for International Development, Woodrow Wilson Center, CARE, and Population Reference Bureau will host a panel discussion exploring the ethics around new technologies to combat GBV; how effective they are; and what some of the more practical and actionable ways forward might be.
Read more: www.wilsoncenter.org/event/gender-based-violence-and-inno...
Modern Seamless Surfaces That Will Transform Your Space.
Our decorative concrete coatings dramatically enhance the appearance and value to your home or business. Whether you own a home, hotel, condo, or business, count on Alternative Surfaces for long lasting beauty and reliability.
From blueprint to reality, we deliver a full-service approach that blends texture, color and a durable finishes, creating the look and atmosphere you desire. Where passion meets practicality, Alternative Surfaces offers the tools, creative vision and technological expertise to propel your design imagination to new heights. Create ambiance through innovative surface styles. Leave a bold, lasting impression. Unleash your inner artist with limitless creative freedom.
Because even your “daddy wagon” deserves to look cool, right? 2017 Pirelli World Challenge champion Lawson Aschenbach doesn’t always get to drive fast sports cars. He also has a family and sometimes needs the practicality of his 2018 GMC Yukon, which he calls the “Daddy Wagon.” But at least his daddy wagon rolls on some cool rolling stock, thanks to 305/45R22 General Tire Grabber UHP tires and 22x10 Forgeline one piece forged monoblock VX1-Truck wheels finished in Transparent Smoke with custom “GTS Champion” center caps! See more at: www.forgeline.com/customer_gallery_view.php?cvk=2069
#Forgeline #forged #monoblock #VX1Truck #6Lug #notjustanotherprettywheel #doyourhomework #madeinUSA #GMC #Yukon #DaddyWagon #TruckTuesday
Smithsonian National Postal Museum
PASSES AND CREDENTIALS: IDENTIDYING AN INSPECTOR
William Goddard, Surveyor of the Post
In 1776 William Goddard became the first in the long line of postal inspectors. His duties included investigating prospective postal routes and ensuring that postmasters operated lawfully.
Goddard Pass
This pass, signed by Postmaster General Benjamin Franklin, gave Goddard the authority to travel as necessary in his new position.
RFD Route Agent Credentials
Postal inspectors were responsible for ensuring the efficient and quick movement of mail. After Rural Free Delivery began in 1896, a number of inspectors were temporarily assigned duty as Special Agents for Rural Free Delivery. They were assigned to determine the practicality and design of each new rural route. These credentials were issued to Postal Inspector Edland C. Clement on January 1, 1905.
On loan from the Ron J. Pry Historical Collection
Badge & Credentials
Identification is critical to law enforcement personnel. Postal inspectors have used paper credentials and badges to identify themselves. These credentials were issued to Special Agent Simeon D. Reynolds on October 25, 1879. In the early 1900s the Inspection Service added specially-designed badges to the folded credentials.
CODED TELEGRAMS
Code Book
Inspectors used codes to ensure the security of telegraphic messages. This cipher code book was provided to postal inspectors in 1941. Inspectors used the code book to ensure their telegrams they sent or received during an investigation were safe from prying eyes. The cipher used a series of five letter groupings that could be deciphered with the use of the code book.
Coded Telegram from Fort Worth, Texas to Los Angeles, California. February 1933
This telegram was sent to the chief post office inspector in Washington. DC after a February 21, 1933 mail truck robbery in Fort Worth, Texas. The head of the gang of thieves. O.D. Stevens, held onto the money until July when the gang met at Steven's house to divide the loot. Stevens and three friends killed three of the thieves and dumped their bodies in the Trinity River. Forensic evidence recovered from the bodies pointed to Stevens and his friends who were convicted of the murders. Stevens was sentenced to 28 years in prison.
INSPECTORS AND ORGANIZED CRIME: THE BLACK HAND
Black Hand Knife
Some criminals have used the mail instead of stealing it. Members of an immigrant group known as La Mano Nera, "The Black Hand," used letters to extort money from well-off Italian immigrants by demanding money in exchange for their families' safety.
On loan from the William H., Allison, Edward, and Terry Oldfield Family Historical Collection
Bertillon Card for Salvatore Arrigo
The inspectors' investigation paid-off in December 1909 when 14 members of the Ohio Black Hand were arrested and charged with conspiracy to use the mails for extortion. Salvatore Arrigo was considered the boss of the Black Hand in Ohio and several other states. He was sentenced to two years in prison. The rest received sentences ranging from two to ten years.
On loan from the William H., Allison, Edward, and Terry Oldfield Family Historical Collection
The Bertillion card uses an identification system developed by French criminologist Alphonse Bertillon in the late nineteenth century. It was the first scientific method of criminal identification. Officials recorded a series of the suspect's body measurements, markings, front and profile photographs onto cards. The system was displaced by fingerprinting in the early twentieth century.
Courtesy of the William H., Allison, Edward, and Terry Oldfield Family Historical Collection
Sixth generation of the Familia, a compact car manufactured between 1998 and 2003 by Mazda and marketed in some markets as the 323. Pictured is the five-door hatchback version, called the Familia Astina or 323F, and favoured by those who need a bit more practicality than offered by the saloon. Today the equivalent model would be the Mazda 3.
Taurus are solidity, practicality, extreme determination and strength of will - no one will ever drive them, but they will willingly and loyally follow a leader they trust. They are stable, balanced, conservative good, law-abiding citizens and lovers of peace, possessing all the best qualities of the bourgeoisie. For all taurus and taurus lovers, this horoscope book is a best mate for dreams and wishes.
Shortly about me:
It’s my passion to create stories and bring back pictures of events, people and places that are rarely seen. It’s a combination of exploration, exposition and artistry that together create a life of adventure and excitement.
In my work it is imperative for me that information be accurate and the images must be respectful of the subject and viewer. My goal is to combine creativity with practicality to capture the best possible images to document events, tell a story, meet the picture editor's deadlines.
The exhibition “Beautiful Faces of Balata” currently on show at the Church of the Ascension at the “Kaiserin Auguste Victoria Foundation” on the Mount of Olive's can be visited on a virtual tour on my website. Virtual tour of the Exhibition »
The exhibition is a project of Public Culture - Palpics, under the auspices of the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and the Yafa Cultural Center (YCC) .
If you would like to know more, or even just pick my brains to discuss your project with me, please visit my homepage documentary photography or send me an Email.
Fangruida: human landing on Mars 10 cutting-edge technology
[Fangruida- human landing on Mars 10 innovative and sophisticated technologies]
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
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Aerospace Science Space Science and Technology on behalf of the world's most cutting-edge leader in high technology, materials, mechatronics, information and communication, energy, biomedical, marine, aviation aerospace, microelectronics, computer, automation, intelligent biochips, use of nuclear energy, light mechanical and electrical integration, astrophysics, celestial chemistry, astrophysics and so a series of geological science and technology. Especially after the moon landing, the further development of mankind to Mars and other planets into the powerful offensive, the world's major powers eager to Daxian hand of God, increase investment, vigorously develop new sophisticated technology projects for space to space. Satellite, space station, the new spacecraft, the new space suits, the new radiation protection materials, intelligent materials, new manufacturing technology, communications technology, computer technology, detector technology, rover, rover technology, biomedical technology, and so one after another, is expected to greater breakthroughs and leaps. For example, rocket technology, spacecraft design, large power spacecraft, spacesuits design improvements, radiation multifunctional composite materials, life health care technology and space medicine, prevention against microgravity microgravity applicable drugs, tracking control technology, landing and return technology. Mars lander and returned safely to Earth as a top priority. Secondly, Mars, the Moon base and the use of transforming Mars, the Moon and other development will follow. Whether the former or the latter, are the modern aerospace science, space science basic research, applied basic research and applied research in the major cutting-edge technology. These major cutting-edge technology research and innovation, not only for human landing on Mars and the safe return of great significance, but for the entire space science, impact immeasurable universe sciences, earth sciences and human life. Here the most critical of the most important research projects of several sophisticated technology research and development as well as its core technology brief. Limit non-scientific techniques include non-technical limits of technology, the key lies in technology research and development of technology maturity, advanced technology, innovative, practical, reliable, practical application, business value and investment costs, and not simply like the idea mature technology achievements, difficult to put into things. This is the high-tech research and development, testing, prototype, test application testing, until the outcome of industrialization. Especially in aerospace technology, advanced, novelty, practicality, reliability, economy, maturity, commercial value and so on. For technical and research purely science fiction and the like may be irrelevant depth, but not as aerospace engineering and technology practice. Otherwise, Mars will become a dream fantasy, and even into settling crashed out of danger.
Regardless of the moon or Mars, many technical difficulties, especially a human landing on Mars and return safely to Earth, technical difficulties mainly in the following aspects. (Transformation of Mars and the Moon and other planets and detect other livable technology more complex and difficult, at this stage it is difficult to achieve and therefore not discussed in detail in this study). In fact, Mars will be the safe return of a full set of technology, space science, aerospace crucial scientific research development, its significance is not confined to Mars simply a return to scientific value, great commercial value, can not be measure.
1. Powered rocket, the spacecraft overall structural design not be too complex large, otherwise, the safety factor to reduce the risk of failure accidents. Fusion rocket engine main problem to be solved is the high-temperature materials and fuel ignition chamber (reaction chamber temperatures of up to tens of millions of supreme billion degrees), fissile class rocket engine whose essence is the miniaturization of nuclear reactors, and placed on the rocket. Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues unresolved. Electrothermal rocket engine utilizing heat energy (resistance heating or electric arc heating) working medium (hydrogen, amines, hydrazine ), vaporized; nozzle expansion accelerated after discharged from the spout to generate thrust. Static rocket engine working fluid (mercury, cesium, hydrogen, etc.) from the tank enter the ionization chamber is formed thrust ionized into a plasma jet. Electric rocket engines with a high specific impulse (700-2500 sec), extremely long life (can be repeated thousands of times a starter, a total of up to thousands of hours of work). But the thrust of less than 100N. This engine is only available for spacecraft attitude control, station-keeping and the like. One nuclear - power rocket design is as follows: Firstly, the reactor heats water to make it into steam, and then the high-speed steam ejected, push the rocket. Nuclear rocket using hydrogen as working substance may be a better solution, it is one of the most commonly used liquid hydrogen rocket fuel rocket carrying liquid hydrogen virtually no technical difficulties. Heating hydrogen nuclear reactor, as long as it eventually reaches or exceeds current jet velocity hydrogen rocket engine jet speed, the same weight of the rocket will be able to work longer, it can accelerate the Rockets faster. Here there are only two problems: First, the final weight includes the weight of the rocket in nuclear reactors, so it must be as light as possible. Ultra-small nuclear reactor has been able to achieve. Furthermore, if used in outer space, we can not consider the problem of radioactive residues, simply to just one proton hydrogen nuclei are less likely to produce induced radioactivity, thus shielding layer can be made thinner, injected hydrogen gas can flow directly through the reactor core, it is not easy to solve, and that is how to get back at high speed heated gas is ejected.
Rocket engine with a nuclear fission reactor, based on the heating liquid hydrogen propellant, rather than igniting flammable propellant
High-speed heavy rocket is a major cutting-edge technology. After all, space flight and aircraft carriers, submarines, nuclear reactors differ greatly from the one hand, the use of traditional fuels, on the one hand can be nuclear reactor technology. From the control, for security reasons, the use of nuclear power rocket technology, safe and reliable overriding indicators. Nuclear atomic energy in line with the norms and rules of outer space. For the immature fetal abdominal hatchery technology, and resolutely reject use. This is the most significant development of nuclear-powered rocket principle.
Nuclear-powered spaceship for Use of nuclear power are three kinds:
The first method: no water or air space such media can not be used propeller must use jet approach. Reactor nuclear fission or fusion to produce a lot of heat, we will propellant (such as liquid hydrogen) injection, the rapid expansion of the propellant will be heated and then discharged from the engine speed tail thrust. This method is most readily available.
The second method: nuclear reactor will have a lot of fast-moving ions, these energetic particles moving very fast, so you can use a magnetic field to control their ejection direction. This principle ion rocket similar to the tail of the rocket ejected from the high-speed mobile ions, so that the recoil movement of a rocket. The advantage of this approach is to promote the unusually large ratio, without carrying any medium, continued strong. Ion engine, which is commonly referred to as "electric rocket", the principle is not complicated, the propellant is ionized particles,
Plasma Engine
Electromagnetic acceleration, high-speed spray. From the development trend, the US research scope covers almost all types of electric thrusters, but mainly to the development of ion engines, NASA in which to play the most active intake technology and preparedness plans. "
The third method: the use of nuclear explosions. It is a bold and crazy way, no longer is the use of a controlled nuclear reaction, but to use nuclear explosions to drive the ship, this is not an engine, and it is called a nuclear pulse rocket. This spacecraft will carry a lot of low-yield atomic bombs out one behind, and then detonated, followed by a spacecraft propulsion installation disk, absorbing the blast pushing the spacecraft forward. This was in 1955 to Orion (Project Orion) name of the project, originally planned to bring two thousand atomic bombs, Orion later fetal nuclear thermal rocket. Its principle is mounted on a small rocket reactor, the reactor utilizing thermal energy generated by the propellant is heated to a high temperature, high pressure and high temperature of the propellant from the high-speed spray nozzle, a tremendous impetus.
Common nuclear fission technologies, including nuclear pulse rocket engines, nuclear rockets, nuclear thermal rocket and nuclear stamping rockets to nuclear thermal rocket, for example, the size of its land-based nuclear power plant reactor structure than the much smaller, more uranium-235 purity requirements high, reaching more than 90%, at the request of the high specific impulse engine core temperature will reach about 3000K, require excellent high temperature properties of materials.
Research and test new IT technologies and new products and new technology and new materials, new equipment, things are difficult, design is the most important part, especially in the overall design, technical solutions, technical route, technical process, technical and economic particularly significant. The overall design is defective, technology there are loopholes in the program, will be a major technical route deviation, but also directly related to the success of research trials. so, any time, under any circumstances, a good grasp of the overall control of design, technical design, is essential. otherwise, a done deal, it is difficult save. aerospace technology research and product development is true.
3, high-performance nuclear rocket
Nuclear rocket nuclear fission and fusion energy can rocket rocket two categories. Nuclear fission and fusion produce heat, radiation and shock waves and other large amounts of energy, but here they are contemplated for use as a thermal energy rocket.
Uranium and other heavy elements, under certain conditions, will split their nuclei, called nuclear fission reaction. The atomic bomb is the result of nuclear fission reactions. Nuclear fission reaction to release energy, is a million times more chemical rocket propellant combustion energy. Therefore, nuclear fission energy is a high-performance rocket rockets. Since it requires much less propellant than chemical rockets can, so to its own weight is much lighter than chemical rockets energy. For the same quality of the rocket, the rocket payload of nuclear fission energy is much greater than the chemical energy of the rocket. Just nuclear fission energy rocket is still in the works.
Use of nuclear fission energy as the energy of the rocket, called the atomic rockets. It is to make hydrogen or other inert gas working fluid through the reactor, the hydrogen after the heating temperature quickly rose to 2000 ℃, and then into the nozzle, high-speed spray to produce thrust.
A vision plan is to use liquid hydrogen working fluid, in operation, the liquid hydrogen tank in the liquid hydrogen pump is withdrawn through the catheter and the engine cooling jacket and liquid hydrogen into hydrogen gas, hydrogen gas turbine-driven, locally expansion. Then by nuclear fission reactors, nuclear fission reactions absorb heat released, a sharp rise in temperature, and finally into the nozzle, the rapid expansion of high-speed spray. Calculations show that the amount of atomic payload rockets, rocket high chemical energy than 5-8 times.
Hydrogen and other light elements, under certain conditions, their nuclei convergent synthesis of new heavy nuclei, and release a lot of energy, called nuclear fusion reaction, also called thermonuclear reaction.
Using energy generated by the fusion reaction for energy rocket, called fusion energy rocket or nuclear thermal rockets. But it is also not only take advantage of controlled nuclear fusion reaction to manufacture hydrogen bombs, rockets and controlled nuclear fusion reaction needs still studying it.
Of course there are various research and development of rocket technology and technical solutions to try.
It is envisaged that the rocket deuterium, an isotope of hydrogen with deuterium nuclear fusion reaction of helium nuclei, protons and neutrons, and release huge amounts of energy, just polymerized ionized helium to temperatures up to 100 million degrees the plasma, and then nozzle expansion, high-speed ejection, the exhaust speed of up to 15,000 km / sec, atomic energy is 1800 times the rocket, the rocket is the chemical energy of 3700 times.
Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. In a nuclear reactor, nuclear energy into heat to heat the working fluid, the working fluid is heated after expansion nozzle to accelerate to the speed of 6500 ~ 11,000 m / sec from the discharge orifice to produce thrust. Nuclear rocket engine specific impulse (250 to 1000 seconds) long life, but the technology is complex, apply only to long-term spacecraft. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues not resolved, is still in the midst of trials. Nuclear rocket technology is cutting-edge aerospace science technology, centralized many professional and technical sciences and aerospace, nuclear physics, nuclear chemistry, materials science, the long term future ___-- wide width. The United States, Russia and Europe, China, India, Japan, Britain, Brazil and other countries in this regard have studies, in particular the United States and Russia led the way, impressive. Of course, at this stage of nuclear rocket technology, technology development there are still many difficulties. Fully formed, still to be. But humanity marching to the universe, nuclear reactor applications is essential.
Outer Space Treaty (International Convention on the Peaceful Uses of Outer Space) ****
Use of Nuclear Power Sources in Outer Space Principle 15
General Assembly,
Having considered the report of its thirty-fifth session of the Committee on the Peaceful Uses of Outer Space and the Commission of 16 nuclear
It can be attached in principle on the use of nuclear power sources in outer space of the text of its report, 17
Recognize that nuclear power sources due to small size, long life and other characteristics, especially suitable for use even necessary
For some missions in outer space,
Recognizing also that the use of nuclear power sources in outer space should focus on the possible use of nuclear power sources
Those uses,
Recognizing also that the use of nuclear power sources should include or probabilistic risk analysis is complete security in outer space
Full evaluation is based, in particular, the public should focus on reducing accidental exposure to harmful radiation or radioactive material risk
risk,
Recognizing the need to a set of principles containing goals and guidelines in this regard to ensure the safety of outer space makes
With nuclear power sources,
Affirming that this set principles apply exclusively on space objects for non-power generation, which is generally characteristic
Mission systems and implementation of nuclear power sources in outer space on similar principles and used by,
Recognizing this need to refer to a new set of principles for future nuclear power applications and internationally for radiological protection
The new proposal will be revised
By the following principles on the use of nuclear power sources in outer space.
Principle 1. Applicability of international law
Involving the use of nuclear power sources in outer space activities should be carried out in accordance with international law, especially the "UN
Principles of the Charter "and" States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies Activities
Treaty "3
.
2. The principle terms
1. For the purpose of these principles, "launching State" and "launching State ......" two words mean, in related
Principles related to a time of nuclear power sources in space objects exercises jurisdiction and control of the country.
2. For the purpose of principle 9, wherein the definition of the term "launching State" as contained in that principle.
3. For the purposes of principle 3, the terms "foreseeable" and "all possible" two words are used to describe the actual hair
The overall likelihood of students that it is considered for safety analysis is credible possibilities for a class of things
Member or circumstances. "General concept of defense in depth" when the term applies to nuclear power sources in outer space refers to various settings
Count form and space operations replace or supplement the operation of the system in order to prevent system failures or mitigate thereafter
"Official Records of the General Assembly, Forty-seventh Session, Supplement No. 20" 16 (A / 47/20).
17 Ibid., Annex.
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fruit. To achieve this purpose is not necessarily required for each individual member has redundant safety systems. Given space
Use and special requirements of various space missions, impossible to any particular set of systems or features can be specified as
Necessary to achieve this purpose. For the purpose of Principle 3 (d) of paragraph 2, "made critical" does not include
Including such as zero-power testing which are fundamental to ensuring system safety required.
Principle 3. Guidelines and criteria for safe use
To minimize the risk of radioactive material in space and the number involved, nuclear power sources in outer space
Use should be limited to non-nuclear power sources in space missions can not reasonably be performed
1. General goals for radiation protection and nuclear safety
(A) States launching space objects with nuclear power sources on board shall endeavor to protect individuals, populations and the biosphere
From radiation hazards. The design and use of space objects with nuclear power sources on board shall ensure that risk with confidence
Harm in the foreseeable operational or accidental circumstances, paragraph 1 (b) and (c) to define acceptable water
level.
Such design and use shall also ensure that radioactive material does not reliably significant contamination of outer space.
(B) the normal operation of nuclear power sources in space objects, including from paragraph 2 (b) as defined in foot
High enough to return to the track, shall be subject to appropriate anti-radiation recommended by the International Commission on Radiological Protection of the public
Protection goals. During such normal operation there shall be no significant radiation exposure;
(C) To limit exposure in accidents, the design and construction of nuclear power source systems shall take into account the international
Relevant and generally accepted radiological protection guidelines.
In addition to the probability of accidents with potentially serious radiological consequences is extremely low, the nuclear power source
Design systems shall be safely irradiated limited limited geographical area, for the individual radiation dose should be
Limited to no more than a year 1mSv primary dose limits. Allows the use of irradiation year for some years 5mSv deputy agent
Quantity limit, but the average over a lifetime effective dose equivalent annual dose not exceed the principal limit 1mSv
degree.
Should make these conditions occur with potentially serious radiological consequences of the probability of the system design is very
small.
Criteria mentioned in this paragraph Future modifications should be applied as soon as possible;
(D) general concept of defense in depth should be based on the design, construction and operation of systems important for safety. root
According to this concept, foreseeable safety-related failures or malfunctions must be capable of automatic action may be
Or procedures to correct or offset.
It should ensure that essential safety system reliability, inter alia, to make way for these systems
Component redundancy, physical separation, functional isolation and adequate independence.
It should also take other measures to increase the level of safety.
2. The nuclear reactor
(A) nuclear reactor can be used to:
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(I) On interplanetary missions;
(Ii) the second high enough orbit paragraph (b) as defined;
(Iii) low-Earth orbit, with the proviso that after their mission is complete enough to be kept in a nuclear reactor
High on the track;
(B) sufficiently high orbit the orbital lifetime is long enough to make the decay of fission products to approximately actinides
Element active track. The sufficiently high orbit must be such that existing and future outer space missions of crisis
Risk and danger of collision with other space objects to a minimum. In determining the height of the sufficiently high orbit when
It should also take into account the destroyed reactor components before re-entering the Earth's atmosphere have to go through the required decay time
between.
(C) only 235 nuclear reactors with highly enriched uranium fuel. The design shall take into account the fission and
Activation of radioactive decay products.
(D) nuclear reactors have reached their operating orbit or interplanetary trajectory can not be made critical state
state.
(E) nuclear reactor design and construction shall ensure that, before reaching the operating orbit during all possible events
Can not become critical state, including rocket explosion, re-entry, impact on ground or water, submersion
In water or water intruding into the core.
(F) a significant reduction in satellites with nuclear reactors to operate on a lifetime less than in the sufficiently high orbit orbit
For the period (including during operation into the sufficiently high orbit) the possibility of failure, there should be a very
Reliable operating system, in order to ensure an effective and controlled disposal of the reactor.
3. Radioisotope generators
(A) interplanetary missions and other spacecraft out of Earth's gravitational field tasks using radioactive isotopes
Su generator. As they are stored after completion of their mission in high orbit, the Earth can also be used
track. We are required to make the final treatment under any circumstances.
(B) Radioisotope generators shall be protected closed systems, design and construction of the system should
Ensure that in the foreseeable conditions of the track to withstand the heat and aerodynamic forces of re-entry in the upper atmosphere, orbit
Conditions including highly elliptical or hyperbolic orbits when relevant. Upon impact, the containment system and the occurrence of parity
Physical morpheme shall ensure that no radioactive material is scattered into the environment so you can complete a recovery operation
Clear all radioactive impact area.
Principle 4. Safety Assessment
1. When launching State emission consistent with the principles defined in paragraphs 1, prior to the launch in applicable under the
Designed, constructed or manufactured the nuclear power sources, or will operate the space object person, or from whose territory or facility
Transmits the object will be to ensure a thorough and comprehensive safety assessment. This assessment shall cover
All relevant stages of space mission and shall deal with all systems involved, including the means of launching, the space level
Taiwan, nuclear power source and its equipment and the means of control and communication between ground and space.
2. This assessment shall respect the principle of 3 contained in the guidelines and criteria for safe use.
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3. The principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
Results of about 11, this safety assessment should be published prior to each transmit simultaneously to the extent feasible
Note by the approximate intended time of launch, and shall notify the Secretary-General of the United Nations, how to be issued
This safety assessment before the shot to get the results as soon as possible.
Principle 5. Notification of re-entry
1. Any State launching a space object with nuclear power sources in space objects that failed to produce discharge
When radioactive substances dangerous to return to the earth, it shall promptly notify the country concerned. Notice shall be in the following format:
(A) System parameters:
(I) Name of launching State, including which may be contacted in the event of an accident to Request
Information or assistance to obtain the relevant authorities address;
(Ii) International title;
(Iii) Date and territory or location of launch;
(Iv) the information needed to make the best prediction of orbit lifetime, trajectory and impact region;
(V) General function of spacecraft;
(B) information on the radiological risk of nuclear power source:
(I) the type of power source: radioisotopes / reactor;
(Ii) the fuel could fall into the ground and may be affected by the physical state of contaminated and / or activated components, the number of
The amount and general radiological characteristics. The term "fuel" refers to as a source of heat or power of nuclear material.
This information shall also be sent to the Secretary-General of the United Nations.
2. Once you know the failure, the launching State shall provide information on the compliance with the above format. Information should as far as possible
To be updated frequently, and in the dense layers of the Earth's atmosphere is expected to return to a time when close to the best increase
Frequency of new data, so that the international community understand the situation and will have sufficient time to plan for any deemed necessary
National contingency measures.
3. It should also be at the same frequency of the latest information available to the Secretary-General of the United Nations.
Principle 6. consultation
5 According to the national principles provide information shall, as far as reasonably practicable, other countries
Requirements to obtain further information or consultations promptly reply.
Principle 7. Assistance to States
1. Upon receipt of expected with nuclear power sources on space objects and their components will return through the Earth's atmosphere
After know that all countries possessing space monitoring and tracking facilities, in the spirit of international cooperation, as soon as possible to
The Secretary-General of the United Nations and the countries they may have made space objects carrying nuclear power sources
A fault related information, so that the States may be affected to assess the situation and take any
It is considered to be the necessary precautions.
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2. In carrying space objects with nuclear power sources back to the Earth's atmosphere after its components:
(A) launching State shall be requested by the affected countries to quickly provide the necessary assistance to eliminate actual
And possible effects, including nuclear power sources to assist in identifying locations hit the Earth's surface, to detect the re substance
Quality and recovery or cleanup activities.
(B) All countries with relevant technical capabilities other than the launching State, and with such technical capabilities
International organizations shall, where possible, in accordance with the requirements of the affected countries to provide the necessary co
help.
When according to the above (a) and subparagraph (b) to provide assistance, should take into account the special needs of developing countries.
Principle 8. Responsibility
In accordance with the States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies activities, including the principles of Article
About Article, States shall bear international responsibility for their use of nuclear power sources in outer space relates to the activities
Whether such activities are carried on by governmental agencies or non-governmental entities, and shall bear international responsibility to ensure that this
Such activities undertaken by the country in line with the principles of the Treaty and the recommendations contained therein. If it involves the use of nuclear power sources
Activities in outer space by an international organization, should be done by the international organizations and States to participate in the organization
Undertakes to comply with the principles of the Treaty and the recommendations contained in these responsibilities.
Principle 9. Liability and Compensation
1. In accordance with the principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
And the Convention on International Liability for Damage Caused by Space Objects covenant of Article 7
Provisions, which launches or on behalf of the State
Each State launching a space object and each State from which territory or facility a space object is launched
Kinds of space object or damage caused by components shall bear international liability. This fully applies to this
Kind of space object carrying a nuclear power source case. Two or more States jointly launch a space object,
Each launching State shall in accordance with the above Article of the Convention for any damages jointly and severally liable.
2. Such countries under the aforesaid Convention shall bear the damages shall be in accordance with international law and fair and reasonable
The principles set out in order to provide for damages to make a claim on behalf of its natural or juridical persons, national or
International organizations to restore to the state before the occurrence of the damage.
3. For the purposes of this principle, compensation should be made to include reimbursement of the duly substantiated expenses for search, recovery and clean
Cost management work, including the cost of providing assistance to third parties.
10. The principle of dispute settlement
Since the implementation of these principles will lead to any dispute in accordance with the provisions of the UN Charter, by negotiation or
Other established procedures to resolve the peaceful settlement of disputes.
Here quoted the important provisions of the United Nations concerning the use of outer space for peaceful nuclear research and international conventions, the main emphasis on the Peaceful Uses of provisions related constraints .2 the use of nuclear rockets in outer space nuclear studies, etc., can cause greater attention in nuclear power nuclear rocket ship nuclear research, manufacture, use and other aspects of the mandatory hard indicators. this scientists, engineering and technical experts are also important constraints and requirements. as IAEA supervision and management as very important.
2. radiation. Space radiation is one of the greatest threats to the safety of the astronauts, including X-rays, γ-rays, cosmic rays and high-speed solar particles. Better than aluminum protective effect of high polymer composite materials.
3. Air. Perhaps the oxygen needed to rely on oxidation-reduction reaction of hydrogen and ilmenite production of water, followed by water electrolysis to generate oxygen. Mars oxygen necessary for survival but also from the decomposition of water, electrolytically separating water molecules of oxygen and hydrogen, this oxygen equipment has been successfully used in the International Space Station. Oxygen is released into the air to sustain life, the hydrogen system into the water system.
4. The issue of food waste recycling. At present, the International Space Station on the use of dehumidifiers, sucked moisture in the air to be purified, and then changed back to drinkable water. The astronauts' urine and sweat recycling. 5. water. The spacecraft and the space station on purification system also makes urine and other liquids can be purified utilization. 6. microgravity. In microgravity or weightlessness long-term space travel, if protective measures shall not be treated, the astronauts will be muscle atrophy, bone softening health. 7. contact. 8. Insulation, 9 energy. Any space exploration are inseparable from the energy battery is a new super hybrid energy storage device, the asymmetric lead-acid batteries and supercapacitors in the same compound within the system - and the so-called inside, no additional separate electronic control unit, this is an optimal combination. The traditional lead-acid battery PbO2 monomer is a positive electrode plate and a negative electrode plate spongy Pb composition, not a super cell. : Silicon solar cells, multi-compound thin film solar cells, multi-layer polymer-modified electrode solar cells, nano-crystalline solar cells, batteries and super class. For example, the solar aircraft .10. To protect the health and life safety and security systems. Lysophosphatidic acid LPA is a growth factor-like lipid mediators, the researchers found that this substance can on apoptosis after radiation injury and animal cells was inhibited. Stable lysophosphatidic acid analogs having the hematopoietic system and gastrointestinal tract caused by acute radiation sickness protection, knockout experiments show that lysophosphatidic acid receptors is an important foundation for the protection of radiation injury. In addition to work under high pressure, the astronauts face a number of health threats, including motion sickness, bacterial infections, blindness space, as well as psychological problems, including toxic dust. In the weightless environment of space, the astronaut's body will be like in preadolescents, as the emergence of various changes.
Plantar molt
After the environment to adapt to zero gravity, the astronaut's body will be some strange changes. Weightlessness cause fluid flow around the main flow torso and head, causing the astronauts facial swelling and inflammation, such as nasal congestion. During long-term stay in space
Bone and muscle loss
Most people weightlessness caused by the impact may be known bone and muscle degeneration. In addition, the calcium bones become very fragile and prone to fracture, which is why some of the astronauts after landing need on a stretcher.
Space Blindness
Space Blindness refers astronaut decreased vision.
Solar storms and radiation is one of the biggest challenges facing the long-term space flight. Since losing the protection of Earth's magnetic field, astronauts suffer far more than normal levels of radiation. The cumulative amount of radiation exposure in low earth orbit them exceeded by workers close to nuclear reactors, thereby increasing the risk of cancer.
Prolonged space flight can cause a series of psychological problems, including depression or mood swings, vulnerability, anxiety and fear, as well as other sequelae. We are familiar with the biology of the Earth, the Earth biochemistry, biophysics, after all, the Earth is very different astrophysics, celestial chemistry, biophysics and astrophysics, biochemistry and other celestial bodies. Therefore, you must be familiar with and adapt to these differences and changes.
Osteoporosis and its complications ranked first in the space of disease risk.
Long-term health risks associated with flying Topics
The degree of influence long-term biological effects of radiation in human flight can withstand the radiation and the maximum limit of accumulated radiation on physiology, pathology and genetics.
Physiological effects of weightlessness including: long-term bone loss and a return flight after the maximum extent and severity of the continued deterioration of other pathological problems induced by the; maximum flexibility and severity of possible long-term Flight Center in vascular function.
Long-term risk of disease due to the high risk of flight stress, microbial variation, decreased immune function, leading to infections
Radiation hazards and protection
1) radiation medicine, biology and pathway effects Features
Radiation protection for interplanetary flight, since the lack of protective effect of Earth's magnetic field, and by the irradiation time is longer, the possibility of increased radiation hazard.
Analysis of space flight medical problems that may occur, loss of appetite topped the list, sleep disorders, fatigue and insomnia, in addition, space sickness, musculoskeletal system problems, eye problems, infections problems, skin problems and cardiovascular problems
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Development of diagnostic techniques in orbit, the development of the volume of power consumption, features a wide range of diagnostic techniques, such as applied research of ultrasound diagnostic techniques in the abdominal thoracic trauma, bone, ligament damage, dental / sinus infections and other complications and integrated;
Actively explore in orbit disposal of medical technology, weightlessness surgical methods, development of special surgical instruments, the role of narcotic drugs and the like.
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However, space technology itself is integrated with the use of the most advanced technology, its challenging technical reserves and periodic demanding
With the continuous development of science and technology, space agencies plan a manned landing on the moon and Mars, space exploration emergency medicine current concern.
Space sickness
In the weightless environment of space, in the weightless environment of space, surgery may be extremely difficult and risky.
Robot surgeons
Space disease in three days after entering the space started to ease, although individual astronauts might subsequently relapse. January 2015 NASA declared working on a fast, anti-nausea and nasal sprays. In addition, due to the zero-gravity environment, and anti-nausea drugs can only be administered by injection or transdermal patches manner.
Manned spaceflight in the 21st century is the era of interplanetary flight, aerospace medicine is closely watched era is the era of China's manned space flourish. Only the central issue, and grasp the opportunity to open up a new world of human survival and development.
Various emergency contingency measures in special circumstances. Invisible accident risk prevention. Enhancing drugs and other screening methods immunity aerospace medicine and tissue engineering a microgravity environment. Drug mixture of APS, ginseng polysaccharides, Ganoderma lucidum polysaccharides, polysaccharides and Lentinan, from other compounds. Drug development space syndrome drug, chemical structure modification will be an important part.
These issues are very sensitive, cutting-edge technology is a major difficulty landing on Mars. Countries in the world, especially the world's major space powers in the country strategies and technical research, the results of all kinds continue to emerge. United States, Russia, China, Europe, India, Japan and other countries is different. United States, Russia extraordinary strength. Many patented technology and health, and most belong to the top-secret technology. Especially in aerospace engineering and technological achievements is different from the general scientific literature, practical, commercial, industrial great, especially the performance of patents, know-how, technical drawings, engineering design and other aspects. Present Mars and return safely to Earth, the first manned, significance, everything is hard in the beginning, especially the first person to land on Mars This Mars for Human Sciences Research Mars, the moon, the earth, the solar system and the universe, life and other significant. Its far greater than the value of direct investments and business interests.
In addition, it is the development of new materials, suitable for deep space operations universe, life, and other detection, wider field.
Many aerospace materials, continuous research and development of materials are key areas of aerospace development, including material rocket, the spacecraft materials, the suit materials, radiation materials, materials and equipment, instruments, materials and so on biochemistry.
Temperature metal-based compound with a metal matrix composite body with a more primordial higher temperature strength, creep resistance, impact resistance, thermal fatigue and other excellent high temperature performance.
In B, C, SiC fiber reinforced Ti3Al, TiAl, Ni3Al intermetallic matrix composites, etc.
W Fiber Reinforced with nickel-based, iron-based alloys as well as SiC, TiB2, Si3N4 and BN particle reinforced metal matrix composites
High temperature service conditions require the development of ceramic and carbon-based composite materials, etc., not in this eleven Cheung said.
Fuel storage
In order to survive in space, people need many things: food, oxygen, shelter, and, perhaps most importantly, fuel. The initial quality Mars mission somewhere around 80 percent of the space launch humans will be propellant. The fuel amount of storage space is very difficult.
This difference in low Earth orbit cause liquid hydrogen and liquid oxygen - rocket fuel - vaporization.
Hydrogen is particularly likely to leak out, resulting in a loss of about 4% per month.
When you want to get people to Mars speed to minimize exposure to weightlessness and space radiation hazards
Mars
Landings on the Martian surface, they realized that they reached the limit. The rapid expansion of the thin Martian atmosphere can not be very large parachute, such as those that will need to be large enough to slow down, carry human spacecraft.
Therefore, the parachute strong mass ratio, high temperature resistance, Bing shot performance and other aspects of textile materials used have special requirements, in order to make a parachute can be used in rockets, missiles, Yu arrows spacecraft and other spacecraft recovery, it is necessary to improve the canopy heat resistance, a high melting point polymeric fiber fabric used, the metal fabric, ceramic fiber fabrics, and other devices.
Super rigid parachute to help slow the landing vehicle.
Spacecraft entered the Martian atmosphere at 24,000 km / h. Even after slowing parachute or inflatable, it will be very
Once we have the protection of the Earth magnetic field, the solar radiation will accumulate in the body, a huge explosion threw the spacecraft may potentially lethal doses of radiation astronauts.
In addition to radiation, the biggest challenge is manned trip to Mars microgravity, as previously described.
The moon is sterile. Mars is another case entirely.
With dust treatment measures.
Arid Martian environment to create a super-tiny dust particles flying around the Earth for billions of years.
Apollo moon dust encountered. Ultra-sharp and abrasive lunar dust was named something that can clog the basic functions of mechanical damage. High chloride salt, which can cause thyroid problems in people.
*** Mars geological structure and geological structure of the moon, water on Mars geology, geology of the Moon is very important, because he, like the Earth's geology is related to many important issues. Water, the first element of life, air, temperature, and complex geological formations are geological structure. Cosmic geology research methods, mainly through a variety of detection equipment equipped with a space probe, celestial observations of atmospheric composition, composition and distribution of temperature, pressure, wind speed, vertical structure, composition of the solar wind, the water, the surface topography and Zoning, topsoil the composition and characteristics of the component surface of the rock, type and distribution, stratigraphic sequence, structural system and the internal shell structure.
Mars internal situation only rely on its surface condition of large amounts of data and related information inferred. It is generally believed that the core radius of 1700 km of high-density material composition; outsourcing a layer of lava, it is denser than the Earth's mantle some; outermost layer is a thin crust. Compared to other terrestrial planets, the lower the density of Mars, which indicates that the Martian core of iron (magnesium and iron sulfide) with may contain more sulfur. Like Mercury and the Moon, Mars and lack active plate movement; there is no indication that the crust of Mars occurred can cause translational events like the Earth like so many of folded mountains. Since there is no lateral movement in the earth's crust under the giant hot zone relative to the ground in a stationary state. Slight stress coupled with the ground, resulting in Tharis bumps and huge volcano. For the geological structure of Mars is very important, which is why repeated explorations and studies of Martian geological reasons.
Earth's surface
Each detector component landing site soil analysis:
Element weight percent
Viking 1
Oxygen 40-45
Si 18-25
Iron 12-15
K 8
Calcium 3-5
Magnesium 3-6
S 2-5
Aluminum 2-5
Cesium 0.1-0.5
Core
Mars is about half the radius of the core radius, in addition to the primary iron further comprises 15 to 17% of the sulfur content of lighter elements is also twice the Earth, so the low melting point, so that the core portion of a liquid, such as outside the Earth nuclear.
Mantle
Nuclear outer coating silicate mantle.
Crust
The outermost layer of the crust.
Crustal thickness obtained, the original thickness of the low north 40 km south plateau 70 kilometers thick, an average of 50 kilometers, at least 80 km Tharsis plateau and the Antarctic Plateau, and in the impact basin is thin, as only about 10 kilometers Greece plains.
Canyon of Mars there are two categories: outflow channels (outflow channel) and tree valley (valley network). The former is very large, it can be 100 km wide, over 2000 km long, streamlined, mainly in the younger Northern Hemisphere, such as the plain around Tyre Chris Canyon and Canyon jam.
In addition, the volcanic activity sometimes lava formation lava channels (lava channel); crustal stress generated by fissures, faults, forming numerous parallel extending grooves (fossa), such as around the huge Tharsis volcanic plateau radially distributed numerous grooves, which can again lead to volcanic activity.
Presumably, Mars has an iron as the main component of the nucleus, and contains sulfur, magnesium and other light elements, the nuclear share of Mars, the Earth should be relatively small. The outer core is covered with a thick layer of magnesium-rich silicate mantle, the surface of rocky crust. The density of Earth-like planets Mars is the lowest, only 3.93g / cc.
Hierarchy
The crust
Lunar core
The average density of the Moon is 3.3464 g / cc, the solar system satellites second highest (after Aiou). However, there are few clues mean lunar core is small, only about 350 km radius or less [2]. The core of the moon is only about 20% the size of the moon, the moon's interior has a solid, iron-rich core diameter of about 240 kilometers (150 miles); in addition there is a liquid core, mainly composed of iron outer core, about 330 km in diameter (205 miles), and for the first time compared with the core of the Earth, considered as the earth's outer core, like sulfur and oxygen may have lighter elements [4].
Chemical elements on the lunar surface constituted in accordance with its abundance as follows: oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminum (Al), manganese (Mn), titanium ( Ti). The most abundant is oxygen, silicon and iron. The oxygen content is estimated to be 42% (by weight). Carbon (C) and nitrogen (N) only traces seem to exist only in trace amounts deposited in the solar wind brings.
Lunar Prospector from the measured neutron spectra, the hydrogen (H) mainly in the lunar poles [2].
Element content (%)
Oxygen 42%
Silicon 21%
Iron 13%
Calcium 8%
Aluminum 7%
Magnesium 6%
Other 3%
Lunar surface relative content of each element (% by weight)
Moon geological history is an important event in recent global magma ocean crystallization. The specific depth is not clear, but some studies have shown that at least a depth of about 500 kilometers or more.
Lunar landscape
Lunar landscape can be described as impact craters and ejecta, some volcanoes, hills, lava-filled depressions.
Regolith
TABLE bear the asteroid and comets billions of years of bombardment. Over time, the impact of these processes have already broken into fine-grained surface rock debris, called regolith. Young mare area, regolith thickness of about 2 meters, while the oldest dated land, regolith thickness of up to 20 meters. Through the analysis of lunar soil components, in particular the isotopic composition changes can determine the period of solar activity. Solar wind gases possible future lunar base is useful because oxygen, hydrogen (water), carbon and nitrogen is not only essential to life, but also may be useful for fuel production. Lunar soil constituents may also be as a future source of energy.
Here, repeatedly stressed that the geological structure and geological structure of celestial bodies, the Earth, Moon, Mars, or that this human existence and development of biological life forms is very important, especially in a series of data Martian geological structure geological structure is directly related to human landing Mars and the successful transformation of Mars or not. for example, water, liquid water, water, oxygen, synthesis, must not be taken lightly.
____________________________________________________________----
Mars landing 10 Technology
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
[
"1" rocket propulsion technology ion fusion nuclear pulse propulsion rocket powered high-speed heavy rocket technology, space nuclear reactors spacecraft] brought big problems reflected in the nuclear reaction, nuclear radiation on spacecraft launch, control, brakes and other impact.
In particular, for the future of nuclear power spacecraft, the need to solve the nuclear reactor design, manufacture, control, cooling, radiation shielding, exhaust pollution, high thermoelectric conversion efficiency and a series of technical problems.
In particular, nuclear reactors produce radiation on astronauts' health will pose a great threat, which requires the spacecraft to be nuclear radiation shielding to ensure astronaut and ship the goods from radiation and heat from the reactor influence, but this will greatly increase the weight of the detector.
Space nuclear process applications, nuclear reaction decay is not a problem, but in a vacuum, ultra-low temperature environment, the nuclear reaction materials, energy transport materials have very high demands.
Space facing the reality of a nuclear reactor cooling cooling problems. To prevent problems with the reactor, "Washington" aircraft carrier to take four heavy protective measures for the radiation enclosed in the warship. These four measures are: the fuel itself, fuel storage pressure vessel, reactor shell and the hull. US Navy fuel all metal fuel, designed to take the impact resistance of the war, does not release fission product can withstand more than 50 times the gravity of the impact load; product of nuclear fission reactor fuel will never enter loop cooling water. The third layer of protection is specially designed and manufactured the reactor shell. The fourth layer is a very strong anti-impact combat ship, the reactor is arranged in the center of the ship, very safe. Engage in a reactor can only be loaded up to the aircraft, so as to drive the motor, and then drive the propeller. That is the core advantage of the heat generated by the heated gas flow, high temperature high pressure gas discharge backward, thereby generating thrust.
.
After installation AMPS1000 type nuclear power plant, a nuclear fuel assembly: He is a core member of the nuclear fuel chain reaction. Usually made into uranium dioxide, of which only a few percent uranium-235, and most of it is not directly involved in the nuclear fission of uranium 238. The uranium dioxide sintered into cylindrical pieces, into a stainless steel or a zirconium alloy do metal tubes called fuel rods or the original, then the number of fuel rods loaded metal cylinder in an orderly composition of the fuel assembly, and finally put a lot of vertical distribution of fuel assemblies in the reactor.
Nuclear reactor pressure vessel is a housing for containing nuclear fuel and reactor internals, for producing high-quality high-strength steel is made to withstand the pressure of dozens MPa. Import and export of the coolant in the pressure vessel.
The top of the pressure vessel closure, and can be used to accommodate the fixed control rod drive mechanism, pressure vessel head has a semi-circular, flat-topped.
Roof bolt: used to connect the locking pressure vessel head, so that the cylinder to form a completely sealed container.
Neutron Source: Plug in nuclear reactors can provide sufficient neutron, nuclear fuel ignition, to start to enhance the role of nuclear reactors and nuclear power. Neutron source generally composed of radium, polonium, beryllium, antimony production. Neutron source and neutron fission reactors are fast neutron, can not cause fission of uranium 235, in order to slow down, we need to moderator ---- full of pure water in a nuclear reactor. Aircraft carriers, submarines use nuclear reactor control has proven more successful.
Rod: has a strong ability to absorb neutrons, driven by the control rod drive mechanism, can move up and down in a nuclear reactor control rods within the nuclear fuel used to start, shut down the nuclear reactor, and maintain, regulate reactor power. Hafnium control rods in general, silver, indium, cadmium and other metals production.
Control rod drive mechanism: He is the executive body of nuclear reactors operating system and security protection systems, in strict accordance with requirements of the system or its operator control rod drives do move up and down in a nuclear reactor, nuclear reactor for power control. In a crisis situation, you also can quickly control rods fully inserted into the reactor in order to achieve the purpose of the emergency shutdown
Upper and lower support plate: used to secure the fuel assembly. High temperature and pressure inside the reactor is filled with pure water (so called pressurized water reactors), on the one hand he was passing through a nuclear reactor core, cooling the nuclear fuel, to act as a coolant, on the other hand it accumulates in the pressure vessel in play moderated neutrons role, acting as moderator.
Water quality monitoring sampling system:
Adding chemical system: under normal circumstances, for adding hydrazine, hydrogen, pH control agents to the primary coolant system, the main purpose is to remove and reduce coolant oxygen, high oxygen water suppression equipment wall corrosion (usually at a high temperature oxygen with hydrogen, especially at low temperatures during startup of a nuclear reactor with added hydrazine oxygen); when the nuclear reactor control rods stuck for some reason can not shutdown time by the the system can inject the nuclear reactor neutron absorber (such as boric acid solution), emergency shutdown, in order to ensure the safety of nuclear submarines.
Water system: a loop inside the water will be reduced at work, such as water sampling and analysis, equipment leaks, because the shutdown process cooling water and reduction of thermal expansion and contraction.
Equipment cooling water system:
Pressure safety systems: pressure reactor primary coolant system may change rapidly for some reason, the need for effective control. And in severe burn nuclear fuel rods, resulting in a core melt accident, it is necessary to promptly increase the pressure. Turn the regulator measures the electric, heating and cooling water. If necessary, also temporary startup booster pump.
Residual Heat Removal System: reactor scram may be due to an accident, such as when the primary coolant system of the steam generator heat exchanger tube is damaged, it must be urgently closed reactors.
Safety Injection System: The main components of this system is the high-pressure injection pump.
Radioactive waste treatment systems:
Decontamination Systems: for the removal of radioactive deposits equipment, valves, pipes and accessories, and other surfaces.
Europe, the United States and Russia and other countries related to aircraft carriers, submarines, icebreakers, nuclear-powered research aircraft, there are lots of achievements use of nuclear energy, it is worth analysis. However, nuclear reactor technology, rocket ships and the former are very different, therefore, requires special attention and innovative research. Must adopt a new new design techniques, otherwise, fall into the stereotype, it will avail, nothing even cause harm Aerospace.
[ "2" spacecraft structure]
[ "3"] radiation technology is the use of deep-sea sedimentation fabric fabrics deepwater technology development precipitated silver metal fibers or fiber lint and other materials and micronaire value between 4.1 to 4.3 fibers made from blends. For radiation protection field, it greatly enhances the effects of radiation and service life of clothing. Radiation resistant fiber) radiation resistant fiber - fiber polyimide polyimide fibers
60 years the United States has successfully developed polyimide fibers, it has highlighted the high temperature, radiation-resistant, fire-retardant properties.
[ "4" cosmic radiation resistant clothing design multifunctional anti-aging, wear underwear] ① comfort layer: astronauts can not wash clothes in a long flight, a lot of sebum, perspiration, etc. will contaminate underwear, so use soft, absorbent and breathable cotton knitwear making.
② warm layer: at ambient temperature range is not the case, warm layer to maintain a comfortable temperature environment. Choose warm and good thermal resistance large, soft, lightweight material, such as synthetic fibers, flakes, wool and silk and so on.
③ ventilation and cooling clothes clothes
Spacesuit
In astronaut body heat is too high, water-cooled ventilation clothing and clothing to a different way of heat. If the body heat production more than 350 kcal / h (ventilated clothes can not meet the cooling requirements, then that is cooled by a water-cooled suit. Ventilating clothing and water-cooled multi-use compression clothing, durable, flexible plastic tubing, such as polyvinyl chloride pipe or nylon film.
④ airtight limiting layer:
⑤ insulation: astronaut during extravehicular activities, from hot or cold insulation protection. It multilayer aluminized polyester film or a polyimide film and sandwiched between layers of nonwoven fabric to be made.
⑥ protective cover layer: the outermost layer of the suit is to require fire, heat and anti-space radiation on various factors (micrometeorites, cosmic rays, etc.) on the human body. Most of this layer with aluminized fabric.
New space suits using a special radiation shielding material, double design.
And also supporting spacesuit helmet, gloves, boots and so on.
[ "5" space - Aerospace biomedical technology, space, special use of rescue medication Space mental health care systems in space without damage restful sleep positions - drugs, simple space emergency medical system
]
[ "6" landing control technology, alternate control technology, high-performance multi-purpose landing deceleration device (parachute)]
[ "7" Mars truck, unitary Mars spacecraft solar energy battery super multi-legged (rounds) intelligent robot] multifunction remote sensing instruments on Mars, Mars and more intelligent giant telescope
[8 <> Mars warehouse activities, automatic Mars lander - Automatic start off cabin
]
[ "9" Mars - spacecraft docking control system, return to the system design]
Space flight secondary emergency life - support system
Spacecraft automatic, manual, semi-automatic operation control, remote control switch system
Automatic return spacecraft systems, backup design, the spacecraft automatic control operating system modular blocks of]
[10 lunar tracking control system
Martian dust storms, pollution prevention, anti-corrosion and other special conditions thereof
Electric light aircraft, Mars lander, Mars, living spaces, living spaces Mars, Mars entry capsule, compatible utilization technology, plant cultivation techniques, nutrition space - space soil]
Aerospace technology, space technology a lot, a lot of cutting-edge technology. Human landing on Mars technology bear the brunt. The main merge the human landing on Mars 10 cutting-edge technology, in fact, these 10 cutting-edge technology, covering a wide range, focused, and is the key to key technologies. They actually shows overall trends and technology Aerospace Science and Technology space technology. Human triumph Mars and safe return of 10 cutting-edge technology is bound to innovation. Moreover, in order to explore the human Venus, Jupiter satellites and the solar system, the Milky Way and other future development of science and laid the foundation guarantee. But also for the transformation of human to Mars, the Moon and other planets livable provides strong technical support. Aerospace Science and Technology which is a major support system.
Preparation of oxygen, water, synthesis, temperature, radiation, critical force confrontation. Regardless of the moon or Mars, survive three elements bear the brunt.
Chemical formula: H₂O
Formula: H-O-H (OH bond between two angle 104.5 °).
Molecular Weight: 18.016
Chemical Experiment: water electrolysis. Formula: 2H₂O = energized = 2H₂ ↑ + O₂ ↑ (decomposition)
Molecules: a hydrogen atom, an oxygen atom.
Ionization of water: the presence of pure water ionization equilibrium following: H₂O == == H⁺ + OH⁻ reversible or irreversible H₂O + H₂O = = H₃O⁺ + OH⁻.
NOTE: "H₃O⁺" hydronium ions, for simplicity, often abbreviated as H⁺, more accurate to say the H9O4⁺, the amount of hydrogen ion concentration in pure water material is 10⁻⁷mol / L.
Electrolysis of water:
Water at DC, decomposition to produce hydrogen and oxygen, this method is industrially prepared pure hydrogen and oxygen 2H₂O = 2H₂ ↑ + O₂ ↑.
. Hydration Reaction:
Water with an alkaline active metal oxides, as well as some of the most acidic oxide hydration reaction of unsaturated hydrocarbons.
Na₂O + H₂O = 2NaOH
CaO + H₂O = Ca (OH) ₂
SO₃ + H₂O = H₂SO₄
P₂O₅ + 3H₂O = 2H₃PO₄ molecular structure
CH₂ = CH₂ + H₂O ← → C₂H₅OH
6. The diameter of the order of magnitude of 10 water molecules negative power of ten, the water is generally believed that a diameter of 2 to 3 this organization. water
7. Water ionization:
In the water, almost no water molecules ionized to generate ions.
H₂O ← → H⁺ + OH⁻
Heating potassium chlorate or potassium permanganate preparation of oxygen
Pressurized at low temperatures, the air into a liquid, and then evaporated, since the boiling point of liquid nitrogen is -196 deg.] C, lower than the boiling point of liquid oxygen (-183 ℃), so the liquid nitrogen evaporated from the first air, remaining the main liquid oxygen.
Of course, the development of research in space there is a great difference, even more special preparation harsh environments on Earth and synthetic water and oxygen, over the need for more technological breakthroughs.
The main component of air oxygen and nitrogen. The use of oxygen and nitrogen with
Mars - Mars - Mars first person / human landing on Mars station tackling cutting-edge technology
Mars--Fangruida//science tech.
Enc:Special multi-purpose anti-radiation suit 50 million dollars
Aerospace Medical Emergency cabin 1.5 billion dollars
Multi-purpose intelligent life support system 10 billion dollars
Mars truck 300 million dollars
Aerospace / Water Planet synthesis 1.2 billion dollars
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Table of Contents
Fangruida: human landing on Mars 10 cutting-edge technology
[Fangruida- human landing on Mars 10 innovative and sophisticated technologies]
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
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Aerospace Science Space Science and Technology on behalf of the world's most cutting-edge leader in high technology, materials, mechatronics, information and communication, energy, biomedical, marine, aviation aerospace, microelectronics, computer, automation, intelligent biochips, use of nuclear energy, light mechanical and electrical integration, astrophysics, celestial chemistry, astrophysics and so a series of geological science and technology. Especially after the moon landing, the further development of mankind to Mars and other planets into the powerful offensive, the world's major powers eager to Daxian hand of God, increase investment, vigorously develop new sophisticated technology projects for space to space. Satellite, space station, the new spacecraft, the new space suits, the new radiation protection materials, intelligent materials, new manufacturing technology, communications technology, computer technology, detector technology, rover, rover technology, biomedical technology, and so one after another, is expected to greater breakthroughs and leaps. For example, rocket technology, spacecraft design, large power spacecraft, spacesuits design improvements, radiation multifunctional composite materials, life health care technology and space medicine, prevention against microgravity microgravity applicable drugs, tracking control technology, landing and return technology. Mars lander and returned safely to Earth as a top priority. Secondly, Mars, the Moon base and the use of transforming Mars, the Moon and other development will follow. Whether the former or the latter, are the modern aerospace science, space science basic research, applied basic research and applied research in the major cutting-edge technology. These major cutting-edge technology research and innovation, not only for human landing on Mars and the safe return of great significance, but for the entire space science, impact immeasurable universe sciences, earth sciences and human life. Here the most critical of the most important research projects of several sophisticated technology research and development as well as its core technology brief. Limit non-scientific techniques include non-technical limits of technology, the key lies in technology research and development of technology maturity, advanced technology, innovative, practical, reliable, practical application, business value and investment costs, and not simply like the idea mature technology achievements, difficult to put into things. This is the high-tech research and development, testing, prototype, test application testing, until the outcome of industrialization. Especially in aerospace technology, advanced, novelty, practicality, reliability, economy, maturity, commercial value and so on. For technical and research purely science fiction and the like may be irrelevant depth, but not as aerospace engineering and technology practice. Otherwise, Mars will become a dream fantasy, and even into settling crashed out of danger.
Regardless of the moon or Mars, many technical difficulties, especially a human landing on Mars and return safely to Earth, technical difficulties mainly in the following aspects. (Transformation of Mars and the Moon and other planets and detect other livable technology more complex and difficult, at this stage it is difficult to achieve and therefore not discussed in detail in this study). In fact, Mars will be the safe return of a full set of technology, space science, aerospace crucial scientific research development, its significance is not confined to Mars simply a return to scientific value, great commercial value, can not be measure.
1. Powered rocket, the spacecraft overall structural design not be too complex large, otherwise, the safety factor to reduce the risk of failure accidents. Fusion rocket engine main problem to be solved is the high-temperature materials and fuel ignition chamber (reaction chamber temperatures of up to tens of millions of supreme billion degrees), fissile class rocket engine whose essence is the miniaturization of nuclear reactors, and placed on the rocket. Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues unresolved. Electrothermal rocket engine utilizing heat energy (resistance heating or electric arc heating) working medium (hydrogen, amines, hydrazine ), vaporized; nozzle expansion accelerated after discharged from the spout to generate thrust. Static rocket engine working fluid (mercury, cesium, hydrogen, etc.) from the tank enter the ionization chamber is formed thrust ionized into a plasma jet. Electric rocket engines with a high specific impulse (700-2500 sec), extremely long life (can be repeated thousands of times a starter, a total of up to thousands of hours of work). But the thrust of less than 100N. This engine is only available for spacecraft attitude control, station-keeping and the like. One nuclear - power rocket design is as follows: Firstly, the reactor heats water to make it into steam, and then the high-speed steam ejected, push the rocket. Nuclear rocket using hydrogen as working substance may be a better solution, it is one of the most commonly used liquid hydrogen rocket fuel rocket carrying liquid hydrogen virtually no technical difficulties. Heating hydrogen nuclear reactor, as long as it eventually reaches or exceeds current jet velocity hydrogen rocket engine jet speed, the same weight of the rocket will be able to work longer, it can accelerate the Rockets faster. Here there are only two problems: First, the final weight includes the weight of the rocket in nuclear reactors, so it must be as light as possible. Ultra-small nuclear reactor has been able to achieve. Furthermore, if used in outer space, we can not consider the problem of radioactive residues, simply to just one proton hydrogen nuclei are less likely to produce induced radioactivity, thus shielding layer can be made thinner, injected hydrogen gas can flow directly through the reactor core, it is not easy to solve, and that is how to get back at high speed heated gas is ejected.
Rocket engine with a nuclear fission reactor, based on the heating liquid hydrogen propellant, rather than igniting flammable propellant
High-speed heavy rocket is a major cutting-edge technology. After all, space flight and aircraft carriers, submarines, nuclear reactors differ greatly from the one hand, the use of traditional fuels, on the one hand can be nuclear reactor technology. From the control, for security reasons, the use of nuclear power rocket technology, safe and reliable overriding indicators. Nuclear atomic energy in line with the norms and rules of outer space. For the immature fetal abdominal hatchery technology, and resolutely reject use. This is the most significant development of nuclear-powered rocket principle.
Nuclear-powered spaceship for Use of nuclear power are three kinds:
The first method: no water or air space such media can not be used propeller must use jet approach. Reactor nuclear fission or fusion to produce a lot of heat, we will propellant (such as liquid hydrogen) injection, the rapid expansion of the propellant will be heated and then discharged from the engine speed tail thrust. This method is most readily available.
The second method: nuclear reactor will have a lot of fast-moving ions, these energetic particles moving very fast, so you can use a magnetic field to control their ejection direction. This principle ion rocket similar to the tail of the rocket ejected from the high-speed mobile ions, so that the recoil movement of a rocket. The advantage of this approach is to promote the unusually large ratio, without carrying any medium, continued strong. Ion engine, which is commonly referred to as "electric rocket", the principle is not complicated, the propellant is ionized particles,
Plasma Engine
Electromagnetic acceleration, high-speed spray. From the development trend, the US research scope covers almost all types of electric thrusters, but mainly to the development of ion engines, NASA in which to play the most active intake technology and preparedness plans. "
The third method: the use of nuclear explosions. It is a bold and crazy way, no longer is the use of a controlled nuclear reaction, but to use nuclear explosions to drive the ship, this is not an engine, and it is called a nuclear pulse rocket. This spacecraft will carry a lot of low-yield atomic bombs out one behind, and then detonated, followed by a spacecraft propulsion installation disk, absorbing the blast pushing the spacecraft forward. This was in 1955 to Orion (Project Orion) name of the project, originally planned to bring two thousand atomic bombs, Orion later fetal nuclear thermal rocket. Its principle is mounted on a small rocket reactor, the reactor utilizing thermal energy generated by the propellant is heated to a high temperature, high pressure and high temperature of the propellant from the high-speed spray nozzle, a tremendous impetus.
Common nuclear fission technologies, including nuclear pulse rocket engines, nuclear rockets, nuclear thermal rocket and nuclear stamping rockets to nuclear thermal rocket, for example, the size of its land-based nuclear power plant reactor structure than the much smaller, more uranium-235 purity requirements high, reaching more than 90%, at the request of the high specific impulse engine core temperature will reach about 3000K, require excellent high temperature properties of materials.
Research and test new IT technologies and new products and new technology and new materials, new equipment, things are difficult, design is the most important part, especially in the overall design, technical solutions, technical route, technical process, technical and economic particularly significant. The overall design is defective, technology there are loopholes in the program, will be a major technical route deviation, but also directly related to the success of research trials. so, any time, under any circumstances, a good grasp of the overall control of design, technical design, is essential. otherwise, a done deal, it is difficult save. aerospace technology research and product development is true.
3, high-performance nuclear rocket
Nuclear rocket nuclear fission and fusion energy can rocket rocket two categories. Nuclear fission and fusion produce heat, radiation and shock waves and other large amounts of energy, but here they are contemplated for use as a thermal energy rocket.
Uranium and other heavy elements, under certain conditions, will split their nuclei, called nuclear fission reaction. The atomic bomb is the result of nuclear fission reactions. Nuclear fission reaction to release energy, is a million times more chemical rocket propellant combustion energy. Therefore, nuclear fission energy is a high-performance rocket rockets. Since it requires much less propellant than chemical rockets can, so to its own weight is much lighter than chemical rockets energy. For the same quality of the rocket, the rocket payload of nuclear fission energy is much greater than the chemical energy of the rocket. Just nuclear fission energy rocket is still in the works.
Use of nuclear fission energy as the energy of the rocket, called the atomic rockets. It is to make hydrogen or other inert gas working fluid through the reactor, the hydrogen after the heating temperature quickly rose to 2000 ℃, and then into the nozzle, high-speed spray to produce thrust.
A vision plan is to use liquid hydrogen working fluid, in operation, the liquid hydrogen tank in the liquid hydrogen pump is withdrawn through the catheter and the engine cooling jacket and liquid hydrogen into hydrogen gas, hydrogen gas turbine-driven, locally expansion. Then by nuclear fission reactors, nuclear fission reactions absorb heat released, a sharp rise in temperature, and finally into the nozzle, the rapid expansion of high-speed spray. Calculations show that the amount of atomic payload rockets, rocket high chemical energy than 5-8 times.
Hydrogen and other light elements, under certain conditions, their nuclei convergent synthesis of new heavy nuclei, and release a lot of energy, called nuclear fusion reaction, also called thermonuclear reaction.
Using energy generated by the fusion reaction for energy rocket, called fusion energy rocket or nuclear thermal rockets. But it is also not only take advantage of controlled nuclear fusion reaction to manufacture hydrogen bombs, rockets and controlled nuclear fusion reaction needs still studying it.
Of course there are various research and development of rocket technology and technical solutions to try.
It is envisaged that the rocket deuterium, an isotope of hydrogen with deuterium nuclear fusion reaction of helium nuclei, protons and neutrons, and release huge amounts of energy, just polymerized ionized helium to temperatures up to 100 million degrees the plasma, and then nozzle expansion, high-speed ejection, the exhaust speed of up to 15,000 km / sec, atomic energy is 1800 times the rocket, the rocket is the chemical energy of 3700 times.
Nuclear rocket engine fuel as an energy source, with liquid hydrogen, liquid helium, liquid ammonia working fluid. Nuclear rocket engine mounted in the thrust chamber of the reactor, cooling nozzle, the working fluid delivery and control systems and other components. In a nuclear reactor, nuclear energy into heat to heat the working fluid, the working fluid is heated after expansion nozzle to accelerate to the speed of 6500 ~ 11,000 m / sec from the discharge orifice to produce thrust. Nuclear rocket engine specific impulse (250 to 1000 seconds) long life, but the technology is complex, apply only to long-term spacecraft. This engine due to nuclear radiation protection, exhaust pollution, reactor control and efficient heat exchanger design and other issues not resolved, is still in the midst of trials. Nuclear rocket technology is cutting-edge aerospace science technology, centralized many professional and technical sciences and aerospace, nuclear physics, nuclear chemistry, materials science, the long term future _-- wide width. The United States, Russia and Europe, China, India, Japan, Britain, Brazil and other countries in this regard have studies, in particular the United States and Russia led the way, impressive. Of course, at this stage of nuclear rocket technology, technology development there are still many difficulties. Fully formed, still to be. But humanity marching to the universe, nuclear reactor applications is essential.
Outer Space Treaty (International Convention on the Peaceful Uses of Outer Space) **
Use of Nuclear Power Sources in Outer Space Principle 15
General Assembly,
Having considered the report of its thirty-fifth session of the Committee on the Peaceful Uses of Outer Space and the Commission of 16 nuclear
It can be attached in principle on the use of nuclear power sources in outer space of the text of its report, 17
Recognize that nuclear power sources due to small size, long life and other characteristics, especially suitable for use even necessary
For some missions in outer space,
Recognizing also that the use of nuclear power sources in outer space should focus on the possible use of nuclear power sources
Those uses,
Recognizing also that the use of nuclear power sources should include or probabilistic risk analysis is complete security in outer space
Full evaluation is based, in particular, the public should focus on reducing accidental exposure to harmful radiation or radioactive material risk
risk,
Recognizing the need to a set of principles containing goals and guidelines in this regard to ensure the safety of outer space makes
With nuclear power sources,
Affirming that this set principles apply exclusively on space objects for non-power generation, which is generally characteristic
Mission systems and implementation of nuclear power sources in outer space on similar principles and used by,
Recognizing this need to refer to a new set of principles for future nuclear power applications and internationally for radiological protection
The new proposal will be revised
By the following principles on the use of nuclear power sources in outer space.
Principle 1. Applicability of international law
Involving the use of nuclear power sources in outer space activities should be carried out in accordance with international law, especially the "UN
Principles of the Charter "and" States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies Activities
Treaty "3
.
2. The principle terms
1. For the purpose of these principles, "launching State" and "launching State ......" two words mean, in related
Principles related to a time of nuclear power sources in space objects exercises jurisdiction and control of the country.
2. For the purpose of principle 9, wherein the definition of the term "launching State" as contained in that principle.
3. For the purposes of principle 3, the terms "foreseeable" and "all possible" two words are used to describe the actual hair
The overall likelihood of students that it is considered for safety analysis is credible possibilities for a class of things
Member or circumstances. "General concept of defense in depth" when the term applies to nuclear power sources in outer space refers to various settings
Count form and space operations replace or supplement the operation of the system in order to prevent system failures or mitigate thereafter
"Official Records of the General Assembly, Forty-seventh Session, Supplement No. 20" 16 (A / 47/20).
17 Ibid., Annex.
38
fruit. To achieve this purpose is not necessarily required for each individual member has redundant safety systems. Given space
Use and special requirements of various space missions, impossible to any particular set of systems or features can be specified as
Necessary to achieve this purpose. For the purpose of Principle 3 (d) of paragraph 2, "made critical" does not include
Including such as zero-power testing which are fundamental to ensuring system safety required.
Principle 3. Guidelines and criteria for safe use
To minimize the risk of radioactive material in space and the number involved, nuclear power sources in outer space
Use should be limited to non-nuclear power sources in space missions can not reasonably be performed
1. General goals for radiation protection and nuclear safety
(A) States launching space objects with nuclear power sources on board shall endeavor to protect individuals, populations and the biosphere
From radiation hazards. The design and use of space objects with nuclear power sources on board shall ensure that risk with confidence
Harm in the foreseeable operational or accidental circumstances, paragraph 1 (b) and (c) to define acceptable water
level.
Such design and use shall also ensure that radioactive material does not reliably significant contamination of outer space.
(B) the normal operation of nuclear power sources in space objects, including from paragraph 2 (b) as defined in foot
High enough to return to the track, shall be subject to appropriate anti-radiation recommended by the International Commission on Radiological Protection of the public
Protection goals. During such normal operation there shall be no significant radiation exposure;
(C) To limit exposure in accidents, the design and construction of nuclear power source systems shall take into account the international
Relevant and generally accepted radiological protection guidelines.
In addition to the probability of accidents with potentially serious radiological consequences is extremely low, the nuclear power source
Design systems shall be safely irradiated limited limited geographical area, for the individual radiation dose should be
Limited to no more than a year 1mSv primary dose limits. Allows the use of irradiation year for some years 5mSv deputy agent
Quantity limit, but the average over a lifetime effective dose equivalent annual dose not exceed the principal limit 1mSv
degree.
Should make these conditions occur with potentially serious radiological consequences of the probability of the system design is very
small.
Criteria mentioned in this paragraph Future modifications should be applied as soon as possible;
(D) general concept of defense in depth should be based on the design, construction and operation of systems important for safety. root
According to this concept, foreseeable safety-related failures or malfunctions must be capable of automatic action may be
Or procedures to correct or offset.
It should ensure that essential safety system reliability, inter alia, to make way for these systems
Component redundancy, physical separation, functional isolation and adequate independence.
It should also take other measures to increase the level of safety.
2. The nuclear reactor
(A) nuclear reactor can be used to:
39
(I) On interplanetary missions;
(Ii) the second high enough orbit paragraph (b) as defined;
(Iii) low-Earth orbit, with the proviso that after their mission is complete enough to be kept in a nuclear reactor
High on the track;
(B) sufficiently high orbit the orbital lifetime is long enough to make the decay of fission products to approximately actinides
Element active track. The sufficiently high orbit must be such that existing and future outer space missions of crisis
Risk and danger of collision with other space objects to a minimum. In determining the height of the sufficiently high orbit when
It should also take into account the destroyed reactor components before re-entering the Earth's atmosphere have to go through the required decay time
between.
(C) only 235 nuclear reactors with highly enriched uranium fuel. The design shall take into account the fission and
Activation of radioactive decay products.
(D) nuclear reactors have reached their operating orbit or interplanetary trajectory can not be made critical state
state.
(E) nuclear reactor design and construction shall ensure that, before reaching the operating orbit during all possible events
Can not become critical state, including rocket explosion, re-entry, impact on ground or water, submersion
In water or water intruding into the core.
(F) a significant reduction in satellites with nuclear reactors to operate on a lifetime less than in the sufficiently high orbit orbit
For the period (including during operation into the sufficiently high orbit) the possibility of failure, there should be a very
Reliable operating system, in order to ensure an effective and controlled disposal of the reactor.
3. Radioisotope generators
(A) interplanetary missions and other spacecraft out of Earth's gravitational field tasks using radioactive isotopes
Su generator. As they are stored after completion of their mission in high orbit, the Earth can also be used
track. We are required to make the final treatment under any circumstances.
(B) Radioisotope generators shall be protected closed systems, design and construction of the system should
Ensure that in the foreseeable conditions of the track to withstand the heat and aerodynamic forces of re-entry in the upper atmosphere, orbit
Conditions including highly elliptical or hyperbolic orbits when relevant. Upon impact, the containment system and the occurrence of parity
Physical morpheme shall ensure that no radioactive material is scattered into the environment so you can complete a recovery operation
Clear all radioactive impact area.
Principle 4. Safety Assessment
1. When launching State emission consistent with the principles defined in paragraphs 1, prior to the launch in applicable under the
Designed, constructed or manufactured the nuclear power sources, or will operate the space object person, or from whose territory or facility
Transmits the object will be to ensure a thorough and comprehensive safety assessment. This assessment shall cover
All relevant stages of space mission and shall deal with all systems involved, including the means of launching, the space level
Taiwan, nuclear power source and its equipment and the means of control and communication between ground and space.
2. This assessment shall respect the principle of 3 contained in the guidelines and criteria for safe use.
40
3. The principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
Results of about 11, this safety assessment should be published prior to each transmit simultaneously to the extent feasible
Note by the approximate intended time of launch, and shall notify the Secretary-General of the United Nations, how to be issued
This safety assessment before the shot to get the results as soon as possible.
Principle 5. Notification of re-entry
1. Any State launching a space object with nuclear power sources in space objects that failed to produce discharge
When radioactive substances dangerous to return to the earth, it shall promptly notify the country concerned. Notice shall be in the following format:
(A) System parameters:
(I) Name of launching State, including which may be contacted in the event of an accident to Request
Information or assistance to obtain the relevant authorities address;
(Ii) International title;
(Iii) Date and territory or location of launch;
(Iv) the information needed to make the best prediction of orbit lifetime, trajectory and impact region;
(V) General function of spacecraft;
(B) information on the radiological risk of nuclear power source:
(I) the type of power source: radioisotopes / reactor;
(Ii) the fuel could fall into the ground and may be affected by the physical state of contaminated and / or activated components, the number of
The amount and general radiological characteristics. The term "fuel" refers to as a source of heat or power of nuclear material.
This information shall also be sent to the Secretary-General of the United Nations.
2. Once you know the failure, the launching State shall provide information on the compliance with the above format. Information should as far as possible
To be updated frequently, and in the dense layers of the Earth's atmosphere is expected to return to a time when close to the best increase
Frequency of new data, so that the international community understand the situation and will have sufficient time to plan for any deemed necessary
National contingency measures.
3. It should also be at the same frequency of the latest information available to the Secretary-General of the United Nations.
Principle 6. consultation
5 According to the national principles provide information shall, as far as reasonably practicable, other countries
Requirements to obtain further information or consultations promptly reply.
Principle 7. Assistance to States
1. Upon receipt of expected with nuclear power sources on space objects and their components will return through the Earth's atmosphere
After know that all countries possessing space monitoring and tracking facilities, in the spirit of international cooperation, as soon as possible to
The Secretary-General of the United Nations and the countries they may have made space objects carrying nuclear power sources
A fault related information, so that the States may be affected to assess the situation and take any
It is considered to be the necessary precautions.
41
2. In carrying space objects with nuclear power sources back to the Earth's atmosphere after its components:
(A) launching State shall be requested by the affected countries to quickly provide the necessary assistance to eliminate actual
And possible effects, including nuclear power sources to assist in identifying locations hit the Earth's surface, to detect the re substance
Quality and recovery or cleanup activities.
(B) All countries with relevant technical capabilities other than the launching State, and with such technical capabilities
International organizations shall, where possible, in accordance with the requirements of the affected countries to provide the necessary co
help.
When according to the above (a) and subparagraph (b) to provide assistance, should take into account the special needs of developing countries.
Principle 8. Responsibility
In accordance with the States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies activities, including the principles of Article
About Article, States shall bear international responsibility for their use of nuclear power sources in outer space relates to the activities
Whether such activities are carried on by governmental agencies or non-governmental entities, and shall bear international responsibility to ensure that this
Such activities undertaken by the country in line with the principles of the Treaty and the recommendations contained therein. If it involves the use of nuclear power sources
Activities in outer space by an international organization, should be done by the international organizations and States to participate in the organization
Undertakes to comply with the principles of the Treaty and the recommendations contained in these responsibilities.
Principle 9. Liability and Compensation
1. In accordance with the principle of States in the Exploration and Use, including the Moon and Other Celestial Bodies Outer Space Activities Article
And the Convention on International Liability for Damage Caused by Space Objects covenant of Article 7
Provisions, which launches or on behalf of the State
Each State launching a space object and each State from which territory or facility a space object is launched
Kinds of space object or damage caused by components shall bear international liability. This fully applies to this
Kind of space object carrying a nuclear power source case. Two or more States jointly launch a space object,
Each launching State shall in accordance with the above Article of the Convention for any damages jointly and severally liable.
2. Such countries under the aforesaid Convention shall bear the damages shall be in accordance with international law and fair and reasonable
The principles set out in order to provide for damages to make a claim on behalf of its natural or juridical persons, national or
International organizations to restore to the state before the occurrence of the damage.
3. For the purposes of this principle, compensation should be made to include reimbursement of the duly substantiated expenses for search, recovery and clean
Cost management work, including the cost of providing assistance to third parties.
10. The principle of dispute settlement
Since the implementation of these principles will lead to any dispute in accordance with the provisions of the UN Charter, by negotiation or
Other established procedures to resolve the peaceful settlement of disputes.
Here quoted the important provisions of the United Nations concerning the use of outer space for peaceful nuclear research and international conventions, the main emphasis on the Peaceful Uses of provisions related constraints .2 the use of nuclear rockets in outer space nuclear studies, etc., can cause greater attention in nuclear power nuclear rocket ship nuclear research, manufacture, use and other aspects of the mandatory hard indicators. this scientists, engineering and technical experts are also important constraints and requirements. as IAEA supervision and management as very important.
2. radiation. Space radiation is one of the greatest threats to the safety of the astronauts, including X-rays, γ-rays, cosmic rays and high-speed solar particles. Better than aluminum protective effect of high polymer composite materials.
3. Air. Perhaps the oxygen needed to rely on oxidation-reduction reaction of hydrogen and ilmenite production of water, followed by water electrolysis to generate oxygen. Mars oxygen necessary for survival but also from the decomposition of water, electrolytically separating water molecules of oxygen and hydrogen, this oxygen equipment has been successfully used in the International Space Station. Oxygen is released into the air to sustain life, the hydrogen system into the water system.
4. The issue of food waste recycling. At present, the International Space Station on the use of dehumidifiers, sucked moisture in the air to be purified, and then changed back to drinkable water. The astronauts' urine and sweat recycling. 5. water. The spacecraft and the space station on purification system also makes urine and other liquids can be purified utilization. 6. microgravity. In microgravity or weightlessness long-term space travel, if protective measures shall not be treated, the astronauts will be muscle atrophy, bone softening health. 7. contact. 8. Insulation, 9 energy. Any space exploration are inseparable from the energy battery is a new super hybrid energy storage device, the asymmetric lead-acid batteries and supercapacitors in the same compound within the system - and the so-called inside, no additional separate electronic control unit, this is an optimal combination. The traditional lead-acid battery PbO2 monomer is a positive electrode plate and a negative electrode plate spongy Pb composition, not a super cell. : Silicon solar cells, multi-compound thin film solar cells, multi-layer polymer-modified electrode solar cells, nano-crystalline solar cells, batteries and super class. For example, the solar aircraft .10. To protect the health and life safety and security systems. Lysophosphatidic acid LPA is a growth factor-like lipid mediators, the researchers found that this substance can on apoptosis after radiation injury and animal cells was inhibited. Stable lysophosphatidic acid analogs having the hematopoietic system and gastrointestinal tract caused by acute radiation sickness protection, knockout experiments show that lysophosphatidic acid receptors is an important foundation for the protection of radiation injury. In addition to work under high pressure, the astronauts face a number of health threats, including motion sickness, bacterial infections, blindness space, as well as psychological problems, including toxic dust. In the weightless environment of space, the astronaut's body will be like in preadolescents, as the emergence of various changes.
Plantar molt
After the environment to adapt to zero gravity, the astronaut's body will be some strange changes. Weightlessness cause fluid flow around the main flow torso and head, causing the astronauts facial swelling and inflammation, such as nasal congestion. During long-term stay in space
Bone and muscle loss
Most people weightlessness caused by the impact may be known bone and muscle degeneration. In addition, the calcium bones become very fragile and prone to fracture, which is why some of the astronauts after landing need on a stretcher.
Space Blindness
Space Blindness refers astronaut decreased vision.
Solar storms and radiation is one of the biggest challenges facing the long-term space flight. Since losing the protection of Earth's magnetic field, astronauts suffer far more than normal levels of radiation. The cumulative amount of radiation exposure in low earth orbit them exceeded by workers close to nuclear reactors, thereby increasing the risk of cancer.
Prolonged space flight can cause a series of psychological problems, including depression or mood swings, vulnerability, anxiety and fear, as well as other sequelae. We are familiar with the biology of the Earth, the Earth biochemistry, biophysics, after all, the Earth is very different astrophysics, celestial chemistry, biophysics and astrophysics, biochemistry and other celestial bodies. Therefore, you must be familiar with and adapt to these differences and changes.
Osteoporosis and its complications ranked first in the space of disease risk.
Long-term health risks associated with flying Topics
The degree of influence long-term biological effects of radiation in human flight can withstand the radiation and the maximum limit of accumulated radiation on physiology, pathology and genetics.
Physiological effects of weightlessness including: long-term bone loss and a return flight after the maximum extent and severity of the continued deterioration of other pathological problems induced by the; maximum flexibility and severity of possible long-term Flight Center in vascular function.
Long-term risk of disease due to the high risk of flight stress, microbial variation, decreased immune function, leading to infections
Radiation hazards and protection
1) radiation medicine, biology and pathway effects Features
Radiation protection for interplanetary flight, since the lack of protective effect of Earth's magnetic field, and by the irradiation time is longer, the possibility of increased radiation hazard.
Analysis of space flight medical problems that may occur, loss of appetite topped the list, sleep disorders, fatigue and insomnia, in addition, space sickness, musculoskeletal system problems, eye problems, infections problems, skin problems and cardiovascular problems
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Development of diagnostic techniques in orbit, the development of the volume of power consumption, features a wide range of diagnostic techniques, such as applied research of ultrasound diagnostic techniques in the abdominal thoracic trauma, bone, ligament damage, dental / sinus infections and other complications and integrated;
Actively explore in orbit disposal of medical technology, weightlessness surgical methods, development of special surgical instruments, the role of narcotic drugs and the like.
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However, space technology itself is integrated with the use of the most advanced technology, its challenging technical reserves and periodic demanding
With the continuous development of science and technology, space agencies plan a manned landing on the moon and Mars, space exploration emergency medicine current concern.
Space sickness
In the weightless environment of space, in the weightless environment of space, surgery may be extremely difficult and risky.
Robot surgeons
Space disease in three days after entering the space started to ease, although individual astronauts might subsequently relapse. January 2015 NASA declared working on a fast, anti-nausea and nasal sprays. In addition, due to the zero-gravity environment, and anti-nausea drugs can only be administered by injection or transdermal patches manner.
Manned spaceflight in the 21st century is the era of interplanetary flight, aerospace medicine is closely watched era is the era of China's manned space flourish. Only the central issue, and grasp the opportunity to open up a new world of human survival and development.
Various emergency contingency measures in special circumstances. Invisible accident risk prevention. Enhancing drugs and other screening methods immunity aerospace medicine and tissue engineering a microgravity environment. Drug mixture of APS, ginseng polysaccharides, Ganoderma lucidum polysaccharides, polysaccharides and Lentinan, from other compounds. Drug development space syndrome drug, chemical structure modification will be an important part.
These issues are very sensitive, cutting-edge technology is a major difficulty landing on Mars. Countries in the world, especially the world's major space powers in the country strategies and technical research, the results of all kinds continue to emerge. United States, Russia, China, Europe, India, Japan and other countries is different. United States, Russia extraordinary strength. Many patented technology and health, and most belong to the top-secret technology. Especially in aerospace engineering and technological achievements is different from the general scientific literature, practical, commercial, industrial great, especially the performance of patents, know-how, technical drawings, engineering design and other aspects. Present Mars and return safely to Earth, the first manned, significance, everything is hard in the beginning, especially the first person to land on Mars This Mars for Human Sciences Research Mars, the moon, the earth, the solar system and the universe, life and other significant. Its far greater than the value of direct investments and business interests.
In addition, it is the development of new materials, suitable for deep space operations universe, life, and other detection, wider field.
Many aerospace materials, continuous research and development of materials are key areas of aerospace development, including material rocket, the spacecraft materials, the suit materials, radiation materials, materials and equipment, instruments, materials and so on biochemistry.
Temperature metal-based compound with a metal matrix composite body with a more primordial higher temperature strength, creep resistance, impact resistance, thermal fatigue and other excellent high temperature performance.
In B, C, SiC fiber reinforced Ti3Al, TiAl, Ni3Al intermetallic matrix composites, etc.
W Fiber Reinforced with nickel-based, iron-based alloys as well as SiC, TiB2, Si3N4 and BN particle reinforced metal matrix composites
High temperature service conditions require the development of ceramic and carbon-based composite materials, etc., not in this eleven Cheung said.
Fuel storage
In order to survive in space, people need many things: food, oxygen, shelter, and, perhaps most importantly, fuel. The initial quality Mars mission somewhere around 80 percent of the space launch humans will be propellant. The fuel amount of storage space is very difficult.
This difference in low Earth orbit cause liquid hydrogen and liquid oxygen - rocket fuel - vaporization.
Hydrogen is particularly likely to leak out, resulting in a loss of about 4% per month.
When you want to get people to Mars speed to minimize exposure to weightlessness and space radiation hazards
Mars
Landings on the Martian surface, they realized that they reached the limit. The rapid expansion of the thin Martian atmosphere can not be very large parachute, such as those that will need to be large enough to slow down, carry human spacecraft.
Therefore, the parachute strong mass ratio, high temperature resistance, Bing shot performance and other aspects of textile materials used have special requirements, in order to make a parachute can be used in rockets, missiles, Yu arrows spacecraft and other spacecraft recovery, it is necessary to improve the canopy heat resistance, a high melting point polymeric fiber fabric used, the metal fabric, ceramic fiber fabrics, and other devices.
Super rigid parachute to help slow the landing vehicle.
Spacecraft entered the Martian atmosphere at 24,000 km / h. Even after slowing parachute or inflatable, it will be very
Once we have the protection of the Earth magnetic field, the solar radiation will accumulate in the body, a huge explosion threw the spacecraft may potentially lethal doses of radiation astronauts.
In addition to radiation, the biggest challenge is manned trip to Mars microgravity, as previously described.
The moon is sterile. Mars is another case entirely.
With dust treatment measures.
Arid Martian environment to create a super-tiny dust particles flying around the Earth for billions of years.
Apollo moon dust encountered. Ultra-sharp and abrasive lunar dust was named something that can clog the basic functions of mechanical damage. High chloride salt, which can cause thyroid problems in people.
Mars geological structure and geological structure of the moon, water on Mars geology, geology of the Moon is very important, because he, like the Earth's geology is related to many important issues. Water, the first element of life, air, temperature, and complex geological formations are geological structure. Cosmic geology research methods, mainly through a variety of detection equipment equipped with a space probe, celestial observations of atmospheric composition, composition and distribution of temperature, pressure, wind speed, vertical structure, composition of the solar wind, the water, the surface topography and Zoning, topsoil the composition and characteristics of the component surface of the rock, type and distribution, stratigraphic sequence, structural system and the internal shell structure.
Mars internal situation only rely on its surface condition of large amounts of data and related information inferred. It is generally believed that the core radius of 1700 km of high-density material composition; outsourcing a layer of lava, it is denser than the Earth's mantle some; outermost layer is a thin crust. Compared to other terrestrial planets, the lower the density of Mars, which indicates that the Martian core of iron (magnesium and iron sulfide) with may contain more sulfur. Like Mercury and the Moon, Mars and lack active plate movement; there is no indication that the crust of Mars occurred can cause translational events like the Earth like so many of folded mountains. Since there is no lateral movement in the earth's crust under the giant hot zone relative to the ground in a stationary state. Slight stress coupled with the ground, resulting in Tharis bumps and huge volcano. For the geological structure of Mars is very important, which is why repeated explorations and studies of Martian geological reasons.
Earth's surface
Each detector component landing site soil analysis:
Element weight percent
Viking 1
Oxygen 40-45
Si 18-25
Iron 12-15
K 8
Calcium 3-5
Magnesium 3-6
S 2-5
Aluminum 2-5
Cesium 0.1-0.5
Core
Mars is about half the radius of the core radius, in addition to the primary iron further comprises 15 to 17% of the sulfur content of lighter elements is also twice the Earth, so the low melting point, so that the core portion of a liquid, such as outside the Earth nuclear.
Mantle
Nuclear outer coating silicate mantle.
Crust
The outermost layer of the crust.
Crustal thickness obtained, the original thickness of the low north 40 km south plateau 70 kilometers thick, an average of 50 kilometers, at least 80 km Tharsis plateau and the Antarctic Plateau, and in the impact basin is thin, as only about 10 kilometers Greece plains.
Canyon of Mars there are two categories: outflow channels (outflow channel) and tree valley (valley network). The former is very large, it can be 100 km wide, over 2000 km long, streamlined, mainly in the younger Northern Hemisphere, such as the plain around Tyre Chris Canyon and Canyon jam.
In addition, the volcanic activity sometimes lava formation lava channels (lava channel); crustal stress generated by fissures, faults, forming numerous parallel extending grooves (fossa), such as around the huge Tharsis volcanic plateau radially distributed numerous grooves, which can again lead to volcanic activity.
Presumably, Mars has an iron as the main component of the nucleus, and contains sulfur, magnesium and other light elements, the nuclear share of Mars, the Earth should be relatively small. The outer core is covered with a thick layer of magnesium-rich silicate mantle, the surface of rocky crust. The density of Earth-like planets Mars is the lowest, only 3.93g / cc.
Hierarchy
The crust
Lunar core
The average density of the Moon is 3.3464 g / cc, the solar system satellites second highest (after Aiou). However, there are few clues mean lunar core is small, only about 350 km radius or less [2]. The core of the moon is only about 20% the size of the moon, the moon's interior has a solid, iron-rich core diameter of about 240 kilometers (150 miles); in addition there is a liquid core, mainly composed of iron outer core, about 330 km in diameter (205 miles), and for the first time compared with the core of the Earth, considered as the earth's outer core, like sulfur and oxygen may have lighter elements [4].
Chemical elements on the lunar surface constituted in accordance with its abundance as follows: oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminum (Al), manganese (Mn), titanium ( Ti). The most abundant is oxygen, silicon and iron. The oxygen content is estimated to be 42% (by weight). Carbon (C) and nitrogen (N) only traces seem to exist only in trace amounts deposited in the solar wind brings.
Lunar Prospector from the measured neutron spectra, the hydrogen (H) mainly in the lunar poles [2].
Element content (%)
Oxygen 42%
Silicon 21%
Iron 13%
Calcium 8%
Aluminum 7%
Magnesium 6%
Other 3%
Lunar surface relative content of each element (% by weight)
Moon geological history is an important event in recent global magma ocean crystallization. The specific depth is not clear, but some studies have shown that at least a depth of about 500 kilometers or more.
Lunar landscape
Lunar landscape can be described as impact craters and ejecta, some volcanoes, hills, lava-filled depressions.
Regolith
TABLE bear the asteroid and comets billions of years of bombardment. Over time, the impact of these processes have already broken into fine-grained surface rock debris, called regolith. Young mare area, regolith thickness of about 2 meters, while the oldest dated land, regolith thickness of up to 20 meters. Through the analysis of lunar soil components, in particular the isotopic composition changes can determine the period of solar activity. Solar wind gases possible future lunar base is useful because oxygen, hydrogen (water), carbon and nitrogen is not only essential to life, but also may be useful for fuel production. Lunar soil constituents may also be as a future source of energy.
Here, repeatedly stressed that the geological structure and geological structure of celestial bodies, the Earth, Moon, Mars, or that this human existence and development of biological life forms is very important, especially in a series of data Martian geological structure geological structure is directly related to human landing Mars and the successful transformation of Mars or not. for example, water, liquid water, water, oxygen, synthesis, must not be taken lightly.
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Mars landing 10 Technology
Aerospace Science and space science and technology major innovation of the most critical of sophisticated technology R & D project
[
"1" rocket propulsion technology ion fusion nuclear pulse propulsion rocket powered high-speed heavy rocket technology, space nuclear reactors spacecraft] brought big problems reflected in the nuclear reaction, nuclear radiation on spacecraft launch, control, brakes and other impact.
In particular, for the future of nuclear power spacecraft, the need to solve the nuclear reactor design, manufacture, control, cooling, radiation shielding, exhaust pollution, high thermoelectric conversion efficiency and a series of technical problems.
In particular, nuclear reactors produce radiation on astronauts' health will pose a great threat, which requires the spacecraft to be nuclear radiation shielding to ensure astronaut and ship the goods from radiation and heat from the reactor influence, but this will greatly increase the weight of the detector.
Space nuclear process applications, nuclear reaction decay is not a problem, but in a vacuum, ultra-low temperature environment, the nuclear reaction materials, energy transport materials have very high demands.
Space facing the reality of a nuclear reactor cooling cooling problems. To prevent problems with the reactor, "Washington" aircraft carrier to take four heavy protective measures for the radiation enclosed in the warship. These four measures are: the fuel itself, fuel storage pressure vessel, reactor shell and the hull. US Navy fuel all metal fuel, designed to take the impact resistance of the war, does not release fission product can withstand more than 50 times the gravity of the impact load; product of nuclear fission reactor fuel will never enter loop cooling water. The third layer of protection is specially designed and manufactured the reactor shell. The fourth layer is a very strong anti-impact combat ship, the reactor is arranged in the center of the ship, very safe. Engage in a reactor can only be loaded up to the aircraft, so as to drive the motor, and then drive the propeller. That is the core advantage of the heat generated by the heated gas flow, high temperature high pressure gas discharge backward, thereby generating thrust.
.
After installation AMPS1000 type nuclear power plant, a nuclear fuel assembly: He is a core member of the nuclear fuel chain reaction. Usually made into uranium dioxide, of which only a few percent uranium-235, and most of it is not directly involved in the nuclear fission of uranium 238. The uranium dioxide sintered into cylindrical pieces, into a stainless steel or a zirconium alloy do metal tubes called fuel rods or the original, then the number of fuel rods loaded metal cylinder in an orderly composition of the fuel assembly, and finally put a lot of vertical distribution of fuel assemblies in the reactor.
Nuclear reactor pressure vessel is a housing for containing nuclear fuel and reactor internals, for producing high-quality high-strength steel is made to withstand the pressure of dozens MPa. Import and export of the coolant in the pressure vessel.
The top of the pressure vessel closure, and can be used to accommodate the fixed control rod drive mechanism, pressure vessel head has a semi-circular, flat-topped.
Roof bolt: used to connect the locking pressure vessel head, so that the cylinder to form a completely sealed container.
Neutron Source: Plug in nuclear reactors can provide sufficient neutron, nuclear fuel ignition, to start to enhance the role of nuclear reactors and nuclear power. Neutron source generally composed of radium, polonium, beryllium, antimony production. Neutron source and neutron fission reactors are fast neutron, can not cause fission of uranium 235, in order to slow down, we need to moderator ---- full of pure water in a nuclear reactor. Aircraft carriers, submarines use nuclear reactor control has proven more successful.
Rod: has a strong ability to absorb neutrons, driven by the control rod drive mechanism, can move up and down in a nuclear reactor control rods within the nuclear fuel used to start, shut down the nuclear reactor, and maintain, regulate reactor power. Hafnium control rods in general, silver, indium, cadmium and other metals production.
Control rod drive mechanism: He is the executive body of nuclear reactors operating system and security protection systems, in strict accordance with requirements of the system or its operator control rod drives do move up and down in a nuclear reactor, nuclear reactor for power control. In a crisis situation, you also can quickly control rods fully inserted into the reactor in order to achieve the purpose of the emergency shutdown
Upper and lower support plate: used to secure the fuel assembly. High temperature and pressure inside the reactor is filled with pure water (so called pressurized water reactors), on the one hand he was passing through a nuclear reactor core, cooling the nuclear fuel, to act as a coolant, on the other hand it accumulates in the pressure vessel in play moderated neutrons role, acting as moderator.
Water quality monitoring sampling system:
Adding chemical system: under normal circumstances, for adding hydrazine, hydrogen, pH control agents to the primary coolant system, the main purpose is to remove and reduce coolant oxygen, high oxygen water suppression equipment wall corrosion (usually at a high temperature oxygen with hydrogen, especially at low temperatures during startup of a nuclear reactor with added hydrazine oxygen); when the nuclear reactor control rods stuck for some reason can not shutdown time by the the system can inject the nuclear reactor neutron absorber (such as boric acid solution), emergency shutdown, in order to ensure the safety of nuclear submarines.
Water system: a loop inside the water will be reduced at work, such as water sampling and analysis, equipment leaks, because the shutdown process cooling water and reduction of thermal expansion and contraction.
Equipment cooling water system:
Pressure safety systems: pressure reactor primary coolant system may change rapidly for some reason, the need for effective control. And in severe burn nuclear fuel rods, resulting in a core melt accident, it is necessary to promptly increase the pressure. Turn the regulator measures the electric, heating and cooling water. If necessary, also temporary startup booster pump.
Residual Heat Removal System: reactor scram may be due to an accident, such as when the primary coolant system of the steam generator heat exchanger tube is damaged, it must be urgently closed reactors.
Safety Injection System: The main components of this system is the high-pressure injection pump.
Radioactive waste treatment systems:
Decontamination Systems: for the removal of radioactive deposits equipment, valves, pipes and accessories, and other surfaces.
Europe, the United States and Russia and other countries related to aircraft carriers, submarines, icebreakers, nuclear-powered research aircraft, there are lots of achievements use of nuclear energy, it is worth analysis. However, nuclear reactor technology, rocket ships and the former are very different, therefore, requires special attention and innovative research. Must adopt a new new design techniques, otherwise, fall into the stereotype, it will avail, nothing even cause harm Aerospace.
[ "2" spacecraft structure]
[ "3"] radiation technology is the use of deep-sea sedimentation fabric fabrics deepwater technology development precipitated silver metal fibers or fiber lint and other materials and micronaire value between 4.1 to 4.3 fibers made from blends. For radiation protection field, it greatly enhances the effects of radiation and service life of clothing. Radiation resistant fiber) radiation resistant fiber - fiber polyimide polyimide fibers
60 years the United States has successfully developed polyimide fibers, it has highlighted the high temperature, radiation-resistant, fire-retardant properties.
[ "4" cosmic radiation resistant clothing design multifunctional anti-aging, wear underwear] ① comfort layer: astronauts can not wash clothes in a long flight, a lot of sebum, perspiration, etc. will contaminate underwear, so use soft, absorbent and breathable cotton knitwear making.
② warm layer: at ambient temperature range is not the case, warm layer to maintain a comfortable temperature environment. Choose warm and good thermal resistance large, soft, lightweight material, such as synthetic fibers, flakes, wool and silk and so on.
③ ventilation and cooling clothes clothes
Spacesuit
In astronaut body heat is too high, water-cooled ventilation clothing and clothing to a different way of heat. If the body heat production more than 350 kcal / h (ventilated clothes can not meet the cooling requirements, then that is cooled by a water-cooled suit. Ventilating clothing and water-cooled multi-use compression clothing, durable, flexible plastic tubing, such as polyvinyl chloride pipe or nylon film.
④ airtight limiting layer:
⑤ insulation: astronaut during extravehicular activities, from hot or cold insulation protection. It multilayer aluminized polyester film or a polyimide film and sandwiched between layers of nonwoven fabric to be made.
⑥ protective cover layer: the outermost layer of the suit is to require fire, heat and anti-space radiation on various factors (micrometeorites, cosmic rays, etc.) on the human body. Most of this layer with aluminized fabric.
New space suits using a special radiation shielding material, double design.
And also supporting spacesuit helmet, gloves, boots and so on.
[ "5" space - Aerospace biomedical technology, space, special use of rescue medication Space mental health care systems in space without damage restful sleep positions - drugs, simple space emergency medical system
]
[ "6" landing control technology, alternate control technology, high-performance multi-purpose landing deceleration device (parachute)]
[ "7" Mars truck, unitary Mars spacecraft solar energy battery super multi-legged (rounds) intelligent robot] multifunction remote sensing instruments on Mars, Mars and more intelligent giant telescope
[8 <> Mars warehouse activities, automatic Mars lander - Automatic start off cabin
]
[ "9" Mars - spacecraft docking control system, return to the system design]
Space flight secondary emergency life - support system
Spacecraft automatic, manual, semi-automatic operation control, remote control switch system
Automatic return spacecraft systems, backup design, the spacecraft automatic control operating system modular blocks of]
[10 lunar tracking control system
Martian dust storms, pollution prevention, anti-corrosion and other special conditions thereof
Electric light aircraft, Mars lander, Mars, living spaces, living spaces Mars, Mars entry capsule, compatible utilization technology, plant cultivation techniques, nutrition space - space soil]
Aerospace technology, space technology a lot, a lot of cutting-edge technology. Human landing on Mars technology bear the brunt. The main merge the human landing on Mars 10 cutting-edge technology, in fact, these 10 cutting-edge technology, covering a wide range, focused, and is the key to key technologies. They actually shows overall trends and technology Aerospace Science and Technology space technology. Human triumph Mars and safe return of 10 cutting-edge technology is bound to innovation. Moreover, in order to explore the human Venus, Jupiter satellites and the solar system, the Milky Way and other future development of science and laid the foundation guarantee. But also for the transformation of human to Mars, the Moon and other planets livable provides strong technical support. Aerospace Science and Technology which is a major support system.
Preparation of oxygen, water, synthesis, temperature, radiation, critical force confrontation. Regardless of the moon or Mars, survive three elements bear the brunt.
Chemical formula: H₂O
Formula: H-O-H (OH bond between two angle 104.5 °).
Molecular Weight: 18.016
Chemical Experiment: water electrolysis. Formula: 2H₂O = energized = 2H₂ ↑ + O₂ ↑ (decomposition)
Molecules: a hydrogen atom, an oxygen atom.
Ionization of water: the presence of pure water ionization equilibrium following: H₂O == == H⁺ + OH⁻ reversible or irreversible H₂O + H₂O = = H₃O⁺ + OH⁻.
NOTE: "H₃O⁺" hydronium ions, for simplicity, often abbreviated as H⁺, more accurate to say the H9O4⁺, the amount of hydrogen ion concentration in pure water material is 10⁻⁷mol / L.
Electrolysis of water:
Water at DC, decomposition to produce hydrogen and oxygen, this method is industrially prepared pure hydrogen and oxygen 2H₂O = 2H₂ ↑ + O₂ ↑.
. Hydration Reaction:
Water with an alkaline active metal oxides, as well as some of the most acidic oxide hydration reaction of unsaturated hydrocarbons.
Na₂O + H₂O = 2NaOH
CaO + H₂O = Ca (OH) ₂
SO₃ + H₂O = H₂SO₄
P₂O₅ + 3H₂O = 2H₃PO₄ molecular structure
CH₂ = CH₂ + H₂O ← → C₂H₅OH
6. The diameter of the order of magnitude of 10 water molecules negative power of ten, the water is generally believed that a diameter of 2 to 3 this organization. water
7. Water ionization:
In the water, almost no water molecules ionized to generate ions.
H₂O ← → H⁺ + OH⁻
Heating potassium chlorate or potassium permanganate preparation of oxygen
Pressurized at low temperatures, the air into a liquid, and then evaporated, since the boiling point of liquid nitrogen is -196 deg.] C, lower than the boiling point of liquid oxygen (-183 ℃), so the liquid nitrogen evaporated from the first air, remaining the main liquid oxygen.
Of course, the development
So only four weeks after my first G-Steel (and G-Shock for that matter), I now own a second!
Love the practicality of the large multi-function display.
So between this, and the other I only just bought recenlty, the GSTS110D-1A, I think my G-Steel itch has finally been scratched.
Very happy with both. Think I'm done.... For now :)
Produced from 1969 to 1975 and named to honour Maserati's victories at the Indianapolis 500 in 1939 and 1940. This sleek fastback with seating for 4 adults is built on a shortened Quattropore platform and was designed by Virginio Vairo at Carrozzeria Vignale. A sizable luggage compartment is accessible via a hatchback-style trunk lid. This combination of performance and practicality made the Indy a popular choice, with a total production of 1.104 units. In 1971, the Indy America was introduced, featuring updates such as a new dashboard design.
4.136 / 4.719 / 4.930 cc
V8
265 / 330 / 335 hp
Maserati 110 Years
19/12/2024 - 23/02/2025
Autoworld
Brussels - Belgium
July 2024
Following the success of the Mercedes-AMG GT 2-door sports car, the high performance subsidiary of Mercedes-Benz launched a 4-Door Coupé version in 2018. Available with either a 3,0-litre turbocharged inline six-cylinder engine or a 4,0-litre turbocharged V8 engine, the -Door Coupé (in reality a five door like the Porsche Panamera) is said to offer similar driving engagement as the 2-door car.
Pictured here is the top of the line car, the GT 63. Its M 177 engine produces a healthy 639 PS, mated to an intelligent 4MATIC+ all-wheel-drive system.
The overall design is striking but, to be honest, left me somewhat underwhelmed. The five-door design increases practicality, undoubtedly, but the saloon body of the CLS looks slightly better in turn. The GT 4-Door Coupé does trump the CLS inside, with a sports themed interior that is centered around the driver.
Sheridan&Co were given the task to translate this premium Italian brand and create an appropriate retail site that would sit comfortably within a supermarket environment. The challenge was to strike a balance between showcasing a premium, consultation-based cosmetics brand and combine the practicalities of a self-select unit in a 24 hour supermarket. These images show what we created for their site located in Tesco’s, Dudley.
Artist: Deborah Raper
Title: Pinwheel Fruit
Medium: Watercolor
Size: 70 cm X 78 cm
Acquisition Date: 2000
Current Location: Health PEI, 16 Garfield Street
Born in Halifax, Deborah Raper has lived her entire life in the Maritimes. She is a graduate of Mount Allison University, holding a Bachelors Degree of Fine Arts and a Bachelor of Arts.
"Unbound Apples & Pieced Pears," a series of watercolour paintings incorporating decorative images of fruit and inspired by traditional quilt patters. In recent years women’s arts and craft have found new respect in the arts community. Raper works with locally relevant crafts, which come out of the need for practicality and combines these with women’s need for self-expression. Her work follows on the work of women artists who have worked with paint and fabric: Miriam Shapiro’s stunning work combining paint and fabric, or the fabric and multimedia work of Joyce Wieland as well as William Morris, Matisses, and Gustav Klimt’s.
In 1969, British Leyland intended to upgrade the Mini to try and keep the style with the times, calling in once again Sir Alec Issigonis to design a compact and practical little car of the same lines. The idea was to give the car a front engine with front wheel drive and devote as much of the car's platform to passenger and luggage capacity. The car was also intended to be a hatchback for more practicality and would enter sales 5% cheaper than the current Mini of 1959.
The car was launched with a more angular design to fit the times, and powered by a new 9X 850cc engine and transmission. Hydrolastic suspension was considered, but changed instead to a more conventional front suspension with vertical struts and independent rear suspension with torsion bars.
The car, although providing more space internally than the original Mini, was unfortunately not forwarded by the British Leyland management, and thus only resulted in a single prototype. Unbeknownst to British Leyland, the car could have been a real winner, but instead the lucrative family hatchback market was swept out from underneath them by the likes of FIAT and Volkswagen.
Feb 15, 2017 — Sep 10, 2017
A native of the South Carolina lowcountry, Carew Rice (1899 – 1971) was the son of James Henry Rice, Jr., a noted conservationist and newspaper columnist. As a student in Chattanooga, Tennessee, Carew Rice discovered the art of cutting silhouettes and worked from the Depression era up until 1970, when he cut silhouettes for South Carolina’s Tricentennial celebration.
Rice subtly challenged viewers with reductive renditions of Old South nostalgia. His cautionary tales were grounded in conservative values, but he liberally embraced the field hands, chain gangs, and working-class lifestyles of marginalized minorities. His black subjects, sometimes peppered with Gullah dialect, were love letters to people he lived among and respected.
Being an artist of practicality as well as of principles, Rice also cut picturesque lowcountry landscapes, church architecture, wildfowl, and Charleston’s intricate wrought iron gates to produce commercially viable merchandise. Some of these scenes were applied to drinking glasses and stationery; some of his characters became templates for stuffed dolls for children. He traveled the world creating silhouettes of politicians, royalty, and ordinary folks, and he became well known throughout the South for portraiture, landscapes, and scenes of everyday life meticulously rendered in this unusual and exacting medium.
The Dakshinkali Temple is located 22 kilometers from Kathmandu next to the village of Pharping. It's one of the main temples in Nepal. Twice every week thousands of people come here to worship the goddess Kali by sacrificing life animals, particularly cockerels and uncastrated male goats.
GODDESS KALI
Kālī (/ˈkɑːli/; Sanskrit: काली & Bengali: কালী; IPA: [kɑːliː]), also known as Kālikā (Sanskrit: कालिका), is the Hindu goddess associated with empowerment, or shakti. She is the fierce aspect of the goddess Durga. The name of Kali means black one and force of time; she is therefore called the Goddess of Time, Change, Power, Creation, Preservation, and Destruction. Her earliest appearance is that of a destroyer principally of evil forces. Various Shakta Hindu cosmologies, as well as Shākta Tantric beliefs, worship her as the ultimate reality or Brahman; and recent devotional movements re-imagine Kāli as a benevolent mother goddess. She is often portrayed standing or dancing on her husband, the god Shiva, who lies calm and prostrate beneath her. Worshipped throughout India but particularly South India, Bengal, and Assam, Kali is both geographically and culturally marginal.
ETYMOLOGY
Kālī is the feminine form of kālam ("black, dark coloured"). Kāla primarily means "time", but also means "black"; hence, Kālī means "the black one" or "beyond time". Kāli is strongly associated with Shiva, and Shaivas derive the masculine Kāla (an epithet of Shiva) from her feminine name. A nineteenth-century Sanskrit dictionary, the Shabdakalpadrum, states: कालः शिवः। तस्य पत्नीति - काली। kālaḥ śivaḥ। tasya patnīti kālī - "Shiva is Kāla, thus, his consort is Kāli".
Other names include Kālarātri ("black night"), as described above, and Kālikā ("relating to time"), and Kallie ("black alchemist"). Coburn notes that the name Kālī can be used as a proper name, or as a description of color.
Kāli's association with darkness stands in contrast to her consort, Shiva, whose body is covered by the white ashes of the cremation ground (Sanskrit: śmaśāna) where he meditates, and with which Kāli is also associated, as śmaśāna-kālī.
ORIGINS
Hugh Urban notes that although the word Kālī appears as early as the Atharva Veda, the first use of it as a proper name is in the Kathaka Grhya Sutra (19.7). Kali is the name of one of the seven tongues of Agni, the [Rigvedic] God of Fire, in the Mundaka Upanishad (2:4), but it is unlikely that this refers to the goddess. The first appearance of Kāli in her present form is in the Sauptika Parvan of the Mahabharata (10.8.64). She is called Kālarātri (literally, "black night") and appears to the Pandava soldiers in dreams, until finally she appears amidst the fighting during an attack by Drona's son Ashwatthama. She most famously appears in the sixth century Devi Mahatmyam as one of the shaktis of Mahadevi, and defeats the demon Raktabija ("Bloodseed"). The tenth-century Kalika Purana venerates Kāli as the ultimate reality.
According to David Kinsley, Kāli is first mentioned in Hinduism as a distinct goddess around 600 CE, and these texts "usually place her on the periphery of Hindu society or on the battlefield." She is often regarded as the Shakti of Shiva, and is closely associated with him in various Puranas. The Kalika Purana depicts her as the "Adi Shakti" (Fundamental Power) and "Para Prakriti" or beyond nature.
WORSHIP AND MANTRA
Kali could be considered a general concept, like Durga, and is mostly worshiped in the Kali Kula sect of worship. The closest way of direct worship is Maha Kali or Bhadra Kali (Bhadra in Sanskrit means 'gentle'). Kali is worshiped as one of the 10 Mahavidya forms of Adi Parashakti (Goddess Durga) or Bhagavathy according to the region. The mantra for worship is
Sanskrit: सर्वमङ्गलमाङ्गल्ये शिवे सर्वार्थसाधिके । शरण्ये त्र्यम्बके गौरि नारायणि नमोऽस्तु ते ॥
ॐ जयंती मंगल काली भद्रकाली कपालिनी । दुर्गा शिवा क्षमा धात्री स्वाहा स्वधा नमोऽस्तुते ॥
(Sarvamaṅgalamāṅgalyē śivē sarvārthasādhikē . śaraṇyē tryambakē gauri nārāyaṇi namō'stu tē.
Oṃ jayantī mangala kālī bhadrakālī kapālinī . durgā śivā ksamā dhātrī svāhā svadhā namō'stutē.)
YANTRA
Goddesses play an important role in the study and practice of Tantra Yoga, and are affirmed to be as central to discerning the nature of reality as are the male deities. Although Parvati is often said to be the recipient and student of Shiva's wisdom in the form of Tantras, it is Kali who seems to dominate much of the Tantric iconography, texts, and rituals. In many sources Kāli is praised as the highest reality or greatest of all deities. The Nirvana-tantra says the gods Brahma, Vishnu, and Shiva all arise from her like bubbles in the sea, ceaselessly arising and passing away, leaving their original source unchanged. The Niruttara-tantra and the Picchila-tantra declare all of Kāli's mantras to be the greatest and the Yogini-tantra, Kamakhya-tantra and the Niruttara-tantra all proclaim Kāli vidyas (manifestations of Mahadevi, or "divinity itself"). They declare her to be an essence of her own form (svarupa) of the Mahadevi.In the Mahanirvana-tantra, Kāli is one of the epithets for the primordial sakti, and in one passage Shiva praises her:At the dissolution of things, it is Kāla [Time]. Who will devour all, and by reason of this He is called Mahākāla [an epithet of Lord Shiva], and since Thou devourest Mahākāla Himself, it is Thou who art the Supreme Primordial Kālika. Because Thou devourest Kāla, Thou art Kāli, the original form of all things, and because Thou art the Origin of and devourest all things Thou art called the Adya [the Primordial One]. Re-assuming after Dissolution Thine own form, dark and formless, Thou alone remainest as One ineffable and inconceivable. Though having a form, yet art Thou formless; though Thyself without beginning, multiform by the power of Maya, Thou art the Beginning of all, Creatrix, Protectress, and Destructress that Thou art. The figure of Kāli conveys death, destruction, and the consuming aspects of reality. As such, she is also a "forbidden thing", or even death itself. In the Pancatattva ritual, the sadhaka boldly seeks to confront Kali, and thereby assimilates and transforms her into a vehicle of salvation. This is clear in the work of the Karpuradi-stotra, a short praise of Kāli describing the Pancatattva ritual unto her, performed on cremation grounds. (Samahana-sadhana)He, O Mahākāli who in the cremation-ground, naked, and with dishevelled hair, intently meditates upon Thee and recites Thy mantra, and with each recitation makes offering to Thee of a thousand Akanda flowers with seed, becomes without any effort a Lord of the earth. Oh Kāli, whoever on Tuesday at midnight, having uttered Thy mantra, makes offering even but once with devotion to Thee of a hair of his Shakti [his energy/female companion] in the cremation-ground, becomes a great poet, a Lord of the earth, and ever goes mounted upon an elephant.The Karpuradi-stotra clearly indicates that Kāli is more than a terrible, vicious, slayer of demons who serves Durga or Shiva. Here, she is identified as the supreme mistress of the universe, associated with the five elements. In union with Lord Shiva, she creates and destroys worlds. Her appearance also takes a different turn, befitting her role as ruler of the world and object of meditation. In contrast to her terrible aspects, she takes on hints of a more benign dimension. She is described as young and beautiful, has a gentle smile, and makes gestures with her two right hands to dispel any fear and offer boons. The more positive features exposed offer the distillation of divine wrath into a goddess of salvation, who rids the sadhaka of fear. Here, Kali appears as a symbol of triumph over death.
BENGALI TRADITION
Kali is also a central figure in late medieval Bengali devotional literature, with such devotees as Ramprasad Sen (1718–75). With the exception of being associated with Parvati as Shiva's consort, Kāli is rarely pictured in Hindu legends and iconography as a motherly figure until Bengali devotions beginning in the early eighteenth century. Even in Bengāli tradition her appearance and habits change little, if at all.
The Tantric approach to Kāli is to display courage by confronting her on cremation grounds in the dead of night, despite her terrible appearance. In contrast, the Bengali devotee appropriates Kāli's teachings adopting the attitude of a child, coming to love her unreservedly. In both cases, the goal of the devotee is to become reconciled with death and to learn acceptance of the way that things are. These themes are well addressed in Rāmprasād's work. Rāmprasād comments in many of his other songs that Kāli is indifferent to his wellbeing, causes him to suffer, brings his worldly desires to nothing and his worldly goods to ruin. He also states that she does not behave like a mother should and that she ignores his pleas:
Can mercy be found in the heart of her who was born of the stone? [a reference to Kali as the daughter of Himalaya]
Were she not merciless, would she kick the breast of her lord?
Men call you merciful, but there is no trace of mercy in you, Mother.
You have cut off the heads of the children of others, and these you wear as a garland around your neck.
It matters not how much I call you "Mother, Mother." You hear me, but you will not listen.
To be a child of Kāli, Rāmprasād asserts, is to be denied of earthly delights and pleasures. Kāli is said to refrain from giving that which is expected. To the devotee, it is perhaps her very refusal to do so that enables her devotees to reflect on dimensions of themselves and of reality that go beyond the material world.
A significant portion of Bengali devotional music features Kāli as its central theme and is known as Shyama Sangeet ("Music of the Night"). Mostly sung by male vocalists, today even women have taken to this form of music. One of the finest singers of Shyāma Sāngeet is Pannalal Bhattacharya.
In Bengal, Kāli is venerated in the festival Kali Puja, the new moon day of Ashwin month which coincides with Diwali festival.
In a unique form of Kāli worship, Shantipur worships Kāli in the form of a hand painted image of the deity known as Poteshwari (meaning the deity drawn on a piece of cloth).
LEGENDS
SLAYER AND RAKTABIJA
In Kāli's most famous legend, Devi Durga (Adi Parashakti) and her assistants, the Matrikas, wound the demon Raktabija, in various ways and with a variety of weapons in an attempt to destroy him. They soon find that they have worsened the situation for with every drop of blood that is dripped from Raktabija he reproduces a clone of himself. The battlefield becomes increasingly filled with his duplicates. Durga, in need of help, summons Kāli to combat the demons. It is said, in some versions, that Goddess Durga actually assumes the form of Goddess Kāli at this time. The Devi Mahatmyam describes:
Out of the surface of her (Durga's) forehead, fierce with frown, issued suddenly Kali of terrible countenance, armed with a sword and noose. Bearing the strange khatvanga (skull-topped staff ), decorated with a garland of skulls, clad in a tiger's skin, very appalling owing to her emaciated flesh, with gaping mouth, fearful with her tongue lolling out, having deep reddish eyes, filling the regions of the sky with her roars, falling upon impetuously and slaughtering the great asuras in that army, she devoured those hordes of the foes of the devas.
Kali consumes Raktabija and his duplicates, and dances on the corpses of the slain. In the Devi Mahatmya version of this story, Kali is also described as a Matrika and as a Shakti or power of Devi. She is given the epithet Cāṃuṇḍā (Chamunda), i.e. the slayer of the demons Chanda and Munda. Chamunda is very often identified with Kali and is very much like her in appearance and habit.
DAKSHINA KALI
In her most famous pose as Daksinakali, popular legends say that Kali, drunk on the blood of her victims, is about to destroy the whole universe when, urged by all the gods, Shiva lies in her way to stop her, and she steps upon his chest. Recognizing Shiva beneath her feet, she calms herself. Though not included in any of the puranas, popular legends state that Kali was ashamed at the prospect of keeping her husband beneath her feet and thus stuck her tongue out in shame. The Devi-Bhagavata Purana, which goes into great depths about the goddess Kali, reveals the tongue's actual symbolism.
The characteristic icons that depict Kali are the following; unbridled matted hair, open blood shot eyes, open mouth and a drooping tongue; in her hands, she holds a Khadga (bent sword or scimitar) and a human head; she has a girdle of human hands across her waist, and Shiva lies beneath her feet. The drooping out-stuck tongue represents her blood-thirst. Lord Shiva beneath her feet represents matter, as Kali energy. The depiction of Kali on Shiva shows that without energy, matter lies "dead". This concept has been simplified to a folk-tale depicting a wife placing her foot
on her husband and sticking her tongue out in shame. In tantric contexts, the tongue is seen to denote the element (guna) of rajas (energy and action) controlled by sattva.
If Kali steps on Shiva with her right foot and holds the sword in her left hand, she is considered to be Dakshina Kali. The Dakshina Kali Temple has important religious associations with the Jagannath Temple and it is believed that Daksinakali is the guardian of the kitchen of the Lord Jagannath Temple. Puranic tradition says that in Puri, Lord Jagannath is regarded as Daksinakalika. Goddess Dakshinakali plays an important role in the 'Niti' of Saptapuri Amavasya.
One South Indian tradition tells of a dance contest between Shiva and Kali. After defeating the two demons Sumbha and Nisumbha, Kali takes up residence in the forest of Thiruvalankadu or Thiruvalangadu. She terrorizes the surrounding area with her fierce, disruptive nature. One of Shiva's devotees becomes distracted while performing austerities, and asks Shiva to rid the forest of the destructive goddess. When Shiva arrives, Kali threatens him, and Shiva challenges Kali to a dance contest, wherein Kali matches Shiva until Shiva takes the "Urdhvatandava" step, vertically raising his right leg. Kali refuses to perform this step, which would not befit her as a woman, and becomes pacified.
SMASHAN KALI
If the Kali steps out with the left foot and holds the sword in her right hand, she is the terrible form of Mother, the Smashan Kali of the cremation ground. She is worshiped by tantrics, the followers of Tantra, who believe that one's spiritual discipline practiced in a smashan (cremation ground) brings success quickly. Sarda Devi, the consort of Ramakrishna Paramhansa, worshipped Smashan Kali at Dakshineshwar.
MATERNAL KALI
At the time of samundra manthan when amrit came out, along with that came out poison which was going to destroy the world hence on the request of all the gods, Lord Shiva drank it to save the world but as he is beyond death he didn't die but was very much in pain due to the poison effect hence he became a child so that Kali can feed him with her milk which will sooth out the poison effect.
MAHAKALI
Mahakali (Sanskrit: Mahākālī, Devanagari: महाकाली), literally translated as Great Kali, is sometimes considered as a greater form of Kali, identified with the Ultimate reality of Brahman. It can also be used as an honorific of the Goddess Kali, signifying her greatness by the prefix "Mahā-". Mahakali, in Sanskrit, is etymologically the feminized variant of Mahakala or Great Time (which is interpreted also as Death), an epithet of the God Shiva in Hinduism. Mahakali is the presiding Goddess of the first episode of the Devi Mahatmya. Here she is depicted as Devi in her universal form as Shakti. Here Devi serves as the agent who allows the cosmic order to be restored.
Kali is depicted in the Mahakali form as having ten heads, ten arms, and ten legs. Each of her ten hands is carrying a various implement which vary in different accounts, but each of these represent the power of one of the Devas or Hindu Gods and are often the identifying weapon or ritual item of a given Deva. The implication is that Mahakali subsumes and is responsible for the powers that these deities possess and this is in line with the interpretation that Mahakali is identical with Brahman. While not displaying ten heads, an "ekamukhi" or one headed image may be displayed with ten arms, signifying the same concept: the powers of the various Gods come only through Her grace.
ICONOGRAPHY
Kali is portrayed mostly in two forms: the popular four-armed form and the ten-armed Mahakali form. In both of her forms, she is described as being black in color but is most often depicted as blue in popular Indian art. Her eyes are described as red with intoxication, and in absolute rage, her hair is shown disheveled, small fangs sometimes protrude out of her mouth, and her tongue is lolling. She is often shown naked or just wearing a skirt made of human arms and a garland of human heads. She is also accompanied by serpents and a jackal while standing on a seemingly dead Shiva, usually right foot forward to symbolize the more popular Dakshinamarga or right-handed path, as opposed to the more infamous and transgressive Vamamarga or left-handed path.
In the ten-armed form of Mahakali she is depicted as shining like a blue stone. She has ten faces, ten feet, and three eyes for each head. She has ornaments decked on all her limbs. There is no association with Shiva.
The Kalika Purana describes Kali as possessing a soothing dark complexion, as perfectly beautiful, riding a lion, four-armed, holding a sword and blue lotuses, her hair unrestrained, body firm and youthful.
In spite of her seemingly terrible form, Kali Ma is often considered the kindest and most loving of all the Hindu goddesses, as she is regarded by her devotees as the Mother of the whole Universe. And because of her terrible form, she is also often seen as a great protector. When the Bengali saint Ramakrishna once asked a devotee why one would prefer to worship Mother over him, this devotee rhetorically replied, "Maharaj", when they are in trouble your devotees come running to you. But, where do you run when you are in trouble?"
According to Ramakrishna, darkness is the Ultimate Mother, or Kali:
My Mother is the principle of consciousness. She is Akhanda Satchidananda;
indivisible Reality, Awareness, and Bliss. The night sky between the stars is perfectly black.
The waters of the ocean depths are the same; The infinite is always mysteriously dark.
This inebriating darkness is my beloved Kali.
—Sri Ramakrishna
This is clear in the works of such contemporary artists as Charles Wish, and Tyeb Mehta, who sometimes take great liberties with the traditional, accepted symbolism, but still demonstrate a true reverence for the Shakta sect.
POPULAR FORM
Classic depictions of Kali share several features, as follows:
Kali's most common four armed iconographic image shows each hand carrying variously a sword, a trishul (trident), a severed head, and a bowl or skull-cup (kapala) catching the blood of the severed head.
Two of these hands (usually the left) are holding a sword and a severed head. The Sword signifies Divine Knowledge and the Human Head signifies human Ego which must be slain by Divine Knowledge in order to attain Moksha. The other two hands (usually the right) are in the abhaya (fearlessness) and varada (blessing) mudras, which means her initiated devotees (or anyone worshipping her with a true heart) will be saved as she will guide them here and in the hereafter.
She has a garland consisting of human heads, variously enumerated at 108 (an auspicious number in Hinduism and the number of countable beads on a Japa Mala or rosary for repetition of Mantras) or 51, which represents Varnamala or the Garland of letters of the Sanskrit alphabet, Devanagari. Hindus believe Sanskrit is a language of dynamism, and each of these letters represents a form of energy, or a form of Kali. Therefore, she is generally seen as the mother of language, and all mantras.
She is often depicted naked which symbolizes her being beyond the covering of Maya since she is pure (nirguna) being-consciousness-bliss and far above prakriti. She is shown as very dark as she is brahman in its supreme unmanifest state. She has no permanent qualities - she will continue to exist even when the universe ends. It is therefore believed that the concepts of color, light, good, bad do not apply to her - she is the pure, un-manifested energy, the Adi-shakti.
Kali as the Symbol of Creation , Freedom , Preservation and Destruction
The head that hangs in Kali's hand is a symbol of Ego and the scimitar which she is holding represents power and energy.It is believed that Kali is protecting the human race by that scimitar and also destroying the negativity and ego within human being. The body lying under Kali symbolizes ruination, is actually a form of Shiva. Kali steps her leg on the chest of the body and suppress ruination . Since she is standing on the pure white chest of Lord Shiva who, as pure primal awareness, lays in a passive reclining position, peacefully lies with his eyes half open in a state of bliss. Her hair is long, black and flowing freely depicting Her freedom from convention and the confines of conceptualization. The white teeth which Kali has stands for conscience and her red tongue represents greed. By pressing her white teeth on her tongue Kali refers to control greed.The goddess may appear terrible from outside but every symbol in Kali signifies truth of life. Since the earth was created out of darkness, the dark black color of Kali symbolizes the color from which everything was born. Her right hand side arms she shows the Abhaya mudra(gesture of fearlessness) and Vara mudra (gesture of welcome and charity) respectively . But on the other arm in left side she holds a bloody scimitar and a severed head depicting destruction and end of ego.
Kali as the Symbol of Mother Nature
The name Kali means Kala or force of time. When there were neither the creation, nor the sun, the moon, the planets, and the earth, there was only darkness and everything was created from the darkness. The Dark appearance of kali represents the darkness from which everything was born. Her complexion is deep blue, like the sky and ocean water as blue. As she is also the goddess of Preservation Kali is worshiped as mother to preserve the nature.Kali is standing calm on Shiva, her appearance represents the preservation of mother nature. Her free, long and black hair represents nature's freedom from civilization. Under the third eye of kali, the signs of both sun, moon and fire are visible which represent the driving forces of nature.
SHIVA IN KALI ICONOGRAPHY
In both these images she is shown standing on the prone, inert or dead body of Shiva. There is a legend for the reason behind her standing on what appears to be Shiva's corpse, which translates as follows:
Once Kali had destroyed all the demons in battle, she began a terrific dance out of the sheer joy of victory. All the worlds or lokas began to tremble and sway under the impact of her dance. So, at the request of all the Gods, Shiva himself asked her to desist from this behavior. However, she was too intoxicated to listen. Hence, Shiva lay like a corpse among the slain demons in order to absorb the shock of the dance into himself. When Kali eventually stepped upon Shiva, she realized she was trampling and hurting her husband and bit her tongue in shame.
The story described here is a popular folk tale and not described or hinted in any of the puranas. The puranic interpretation is as follows:
Once, Parvati asks Shiva to chose the one form among her 10 forms which he likes most. To her surprise, Shiva reveals that he is most comfortable with her Kali form, in which she is bereft of her jewellery, her human-form, her clothes, her emotions and where she is only raw, chaotic energy, where she is as terrible as time itself and even greater than time. As Parvati takes the form of Kali, Shiva lies at her feet and requests her to place her foot on his chest, upon his heart. Once in this form, Shiva requests her to have this place, below her feet in her iconic image which would be worshiped throughout.
This idea has been explored in the Devi-Bhagavata Purana [28] and is most popular in the Shyama Sangeet, devotional songs to Kali from the 12th to 15th centuries.
The Tantric interpretation of Kali standing on top of her husband is as follows:
The Shiv tattava (Divine Consciousness as Shiva) is inactive, while the Shakti tattava (Divine Energy as Kali) is active. Shiva and Kali represent Brahman, the Absolute pure consciousness which is beyond all names, forms and activities. Kali, on the other hand, represents the potential (and manifested) energy responsible for all names, forms and activities. She is his Shakti, or creative power, and is seen as the substance behind the entire content of all consciousness. She can never exist apart from Shiva or act independently of him, just as Shiva remains a mere corpse without Kali i.e., Shakti, all the matter/energy of the universe, is not distinct from Shiva, or Brahman, but is rather the dynamic power of Brahman. Hence, Kali is Para Brahman in the feminine and dynamic aspect while Shiva is the male aspect and static. She stands as the absolute basis for all life, energy and beneath her feet lies, Shiva, a metaphor for mass, which cannot retain its form without energy.
While this is an advanced concept in monistic Shaktism, it also agrees with the Nondual Trika philosophy of Kashmir, popularly known as Kashmir Shaivism and associated most famously with Abhinavagupta. There is a colloquial saying that "Shiva without Shakti is Shava" which means that without the power of action (Shakti) that is Mahakali (represented as the short "i" in Devanagari) Shiva (or consciousness itself) is inactive; Shava means corpse in Sanskrit and the play on words is that all Sanskrit consonants are assumed to be followed by a short letter "a" unless otherwise noted. The short letter "i" represents the female power or Shakti that activates Creation. This is often the explanation for why She is standing on Shiva, who is either Her husband and complement in Shaktism or the Supreme Godhead in Shaivism.
To properly understand this complex Tantric symbolism it is important to remember that the meaning behind Shiva and Kali does not stray from the non-dualistic parlance of Shankara or the Upanisads. According to both the Mahanirvana and Kularnava Tantras, there are two distinct ways of perceiving the same absolute reality. The first is a transcendental plane which is often described as static, yet infinite. It is here that there is no matter, there is no universe and only consciousness exists. This form of reality is known as Shiva, the absolute Sat-Chit-Ananda - existence, knowledge and bliss. The second is an active plane, an immanent plane, the plane of matter, of Maya, i.e., where the illusion of space-time and the appearance of an actual universe does exist. This form of reality is known as Kali or Shakti, and (in its entirety) is still specified as the same Absolute Sat-Chit-Ananda. It is here in this second plane that the universe (as we commonly know it) is experienced and is described by the Tantric seer as the play of Shakti, or God as Mother Kali.
From a Tantric perspective, when one meditates on reality at rest, as absolute pure consciousness (without the activities of creation, preservation or dissolution) one refers to this as Shiva or Brahman. When one meditates on reality as dynamic and creative, as the Absolute content of pure consciousness (with all the activities of creation, preservation or dissolution) one refers to it as Kali or Shakti. However, in either case the yogini or yogi is interested in one and the same reality - the only difference being in name and fluctuating aspects of appearance. It is this which is generally accepted as the meaning of Kali standing on the chest of Shiva.
Although there is often controversy surrounding the images of divine copulation, the general consensus is benign and free from any carnal impurities in its substance. In Tantra the human body is a symbol for the microcosm of the universe; therefore sexual process is responsible for the creation of the world. Although theoretically Shiva and Kali (or Shakti) are inseparable, like fire and its power to burn, in the case of creation they are often seen as having separate roles. With Shiva as male and Kali as female it is only by their union that creation may transpire. This reminds us of the prakrti and purusa doctrine of Samkhya wherein prakāśa- vimarśa has no practical value, just as without prakrti, purusa is quite inactive. This (once again) stresses the interdependencies of Shiva and Shakti and the vitality of their union.
Gopi Krishna proposed that Kali standing on the dead Shiva or Shava (Sanskrit for dead body) symbolised the helplessness of a person undergoing the changing process (psychologically and physiologically) in the body conducted by the Kundalini Shakti.
DEVELOPMENT
In the later traditions, Kali has become inextricably linked with Shiva. The unleashed form of Kali often becomes wild and uncontrollable, and only Shiva is able to tame her just as only Kali can tame Shiva. This is both because she is often a transformed version of one of his consorts and because he is able to match her wildness.
The ancient text of Kali Kautuvam describes her competition with Shiva in dance, from which the sacred 108 Karanas appeared. Shiva won the competition by acting the urdva tandava, one of the Karanas, by raising his feet to his head. Other texts describe Shiva appearing as a crying infant and appealing to her maternal instincts. While Shiva is said to be able to tame her, the iconography often presents her dancing on his fallen body, and there are accounts of the two of them dancing together, and driving each other to such wildness that the world comes close to unravelling.
Shiva's involvement with Tantra and Kali's dark nature have led to her becoming an important Tantric figure. To the Tantric worshippers, it was essential to face her Curse, the terror of death, as willingly as they accepted Blessings from her beautiful, nurturing, maternal aspect. For them, wisdom meant learning that no coin has only one side: as death cannot exist without life, so life cannot exist without death. Kali's role sometimes grew beyond that of a chaos - which could be confronted - to that of one who could bring wisdom, and she is given great metaphysical significance by some Tantric texts. The Nirvāna-tantra clearly presents her uncontrolled nature as the Ultimate Reality, claiming that the trimurti of Brahma, Vishnu and Rudra arise and disappear from her like bubbles from the sea. Although this is an extreme case, the Yogini-tantra, Kamakhya-tantra and the Niruttara-tantra declare her the svarupa (own-being) of the Mahadevi (the great Goddess, who is in this case seen as the combination of all devis).The final stage of development is the worshipping of Kali as the Great Mother, devoid of her usual violence. This practice is a break from the more traditional depictions. The pioneers of this tradition are the 18th century Shakta poets such as Ramprasad Sen, who show an awareness of Kali's ambivalent nature. Ramakrishna, the 19th century Bengali saint, was also a great devotee of Kali; the western popularity of whom may have contributed to the more modern, equivocal interpretations of this Goddess. Rachel McDermott's work, however, suggests that for the common, modern worshipper, Kali is not seen as fearful, and only those educated in old traditions see her as having a wrathful component. Some credit to the development of Devi must also be given to Samkhya. Commonly referred to as the Devi of delusion, Mahamaya or Durga, acting in the confines of (but not being bound by) the nature of the three gunas, takes three forms: Maha-Kali, Maha-Lakshmi and Maha-Saraswati, being her tamas-ika, rajas-ika and sattva-ika forms. In this sense, Kali is simply part of a larger whole.
Like Sir John Woodroffe and Georg Feuerstein, many Tantric scholars (as well as sincere practitioners) agree that, no matter how propitious or appalling you describe them, Shiva and Devi are simply recognizable symbols for everyday, abstract (yet tangible) concepts such as perception, knowledge, space-time, causation and the process of liberating oneself from the confines of such things. Shiva, symbolizing pure, absolute consciousness, and Devi, symbolizing the entire content of that consciousness, are ultimately one and the same - totality incarnate, a micro-macro-cosmic amalgamation of all subjects, all objects and all phenomenal relations between the "two." Like man and woman who both share many common, human traits yet at the same time they are still different and, therefore, may also be seen as complementary.
Worshippers prescribe various benign and horrific qualities to Devi simply out of practicality. They do this so they may have a variety of symbols to choose from, symbols which they can identify and relate with from the perspective of their own, ever-changing time, place and personal level of unfolding. Just like modern chemists or physicists use a variety of molecular and atomic models to describe what is unperceivable through rudimentary, sensory input, the scientists of ontology and epistemology must do the same. One of the underlying distinctions of Tantra, in comparison to other religions, is that it allows the devotee the liberty to choose from a vast array of complementary symbols and rhetoric which suit one's evolving needs and tastes. From an aesthetic standpoint, nothing is interdict and nothing is orthodox. In this sense, the projection of some of Devi's more gentle qualities onto Kali is not sacrilege and the development of Kali really lies in the practitioner, not the murthi.
A TIME magazine article of October 27, 1947, used Kali as a symbol and metaphor for the human suffering in British India during its partition that year. In 1971, Ms. Magazine used an image of Kali, her multiple arms juggling modern tasks, as a symbol of modern womanhood on its inaugural issue.
Swami Vivekananda wrote his favorite poem Kali the Mother in 1898.
KALI IN NEOPAGAN AND NEW AGE PRACTICE
An academic study of Western Kali enthusiasts noted that, "as shown in the histories of all cross-cultural religious transplants, Kali devotionalism in the West must take on its own indigenous forms if it is to adapt to its new environment."[60] The adoption of Kali by the West has raised accusations of cultural appropriation:
A variety of writers and thinkers have found Kali an exciting figure for reflection and exploration, notably feminists and participants in New Age spirituality who are attracted to goddess worship. [For them], Kali is a symbol of wholeness and healing, associated especially with repressed female power and sexuality. [However, such interpretations often exhibit] confusion and misrepresentation, stemming from a lack of knowledge of Hindu history among these authors, [who only rarely] draw upon materials written by scholars of the Hindu religious tradition. The majority instead rely chiefly on other popular feminist sources, almost none of which base their interpretations on a close reading of Kali's Indian background. The most important issue arising from this discussion - even more important than the question of 'correct' interpretation - concerns the adoption of other people's religious symbols. It is hard to import the worship of a goddess from another culture: religious associations and connotations have to be learned, imagined or intuited when the deep symbolic meanings embedded in the native culture are not available.
INCARNATIONS OF KALI
Draupadi, Wife of Pandavas, was an avatar of Kali, who born to assist Lord Krishna to destroy arrogant kings of India. There is a temple dedicated to this incarnation at Banni Mata Temple at Himachal Pradesh. The vedic deity Nirriti or the Puranic deity Alakshmi is often considered as incarnations of Kali.
WIKIPEDIA
On this day in history in 1967 – the luxury liner the QE2 launched in Glasgow, Scotland.
Though Cunard’s RMS Queen Elizabeth II attracted enormous publicity at the time, a great project and a thing of modern beauty in herself, there was even then something slightly sad about the occasion. It was clear that she represented more or less the last of something, the end of the era of transatlantic liners. Elegance and leisurely travel were making way for rapidity and practicality.
The QE2 had been constructed by Upper Clyde Shipbuilders in Clydebank at the John Brown Shipyard there, her keel laid in July 1965. She was intended to be a replacement for the ageing liners Queen Mary and Queen Elizabeth, though smaller than those craft, and with a dual function, to carry passengers to and fro across the Atlantic in the summer, and at other times to serve as a cruise ship. It was Queen Elizabeth II herself who launched and christened the ship using the same pair of golden scissors that had been used by her mother and grandmother in launching the previous Queen Elizabeth and the Queen Mary.
The QE2 can sail backwards at a full speed of 19 knots faster than most cruise ships sail forwards. Cunard’s first ship, the Britannia, would have squeezed into QE2’s Grand Lounge. The ship had the only synagogue at sea. She cost slightly more than £29 million to build, Cunard spent more around 15 times that amount on refits and refurbishments. In June 1970, the QE2 crossed the Atlantic in a record time of 3 days, 20 hours and 42 minutes.
The QE2 finally left service as a cruise ship having reportedly travelled further than any other liner. She was handed over to her new owners at Port Rashid in Dubai on the 27th November 2008 after arriving the day before at the end of her final voyage. It was expected that she would go into Dubai Dry Dock for a 3 year radical rebuild however the global recession had knock-on effects for Dubai's QE2 project. Dubai no longer needed the hotel rooms that QE2 was intended to provide. Her future is more in doubt than ever. The ship has been without power for over two and a half years, her interiors are deteriorating in the Dubai heat, dust and humidity.
We bought my 2007 Jeep Wrangler the next day after I came home from surgery to repair a badly broken arm. The worst part was I wasn't allowed to drive it for six weeks while my arm healed!!! But I love this car so much! It is exactly the right combination of fun and practicality, even if it is terrible on gas.
Sheridan&Co were given the task to translate this premium Italian brand and create an appropriate retail site that would sit comfortably within a supermarket environment. The challenge was to strike a balance between showcasing a premium, consultation-based cosmetics brand and combine the practicalities of a self-select unit in a 24 hour supermarket. These images show what we created for their site located in Tesco’s, Dudley.
Ladies' tailored walking suits were very popular because of their practicality. The lady on the left wears a ruffled jabot which gives the suit a more feminine look.
Title: Lady's Pictorial.
Creator: unknown
Date: November 2, 1907
Identifier: M LP
Format: Periodical
Rights: Public domain
Courtesy: Toronto Public Library.
You can order a print or high-resolution copy.
This item was featured in an exhibit called "The Gilded Age of Fashion: 1890-1914" in the TD Gallery of the Toronto Reference Library from October 19, 2013 to January 4, 2014.
The Ibiza ST FR is proof that practicality doesn't mean sacrificing style.
Find out more about the new SEAT Ibiza here:
Hmm, it's another one of those strange 3-wheeled things. But even if the practicality of the Reliant Robin was a little untoward, the car did still sell heavily in the UK, especially in the West Midlands where the car was originally built. On a recent trip there I found myself tripping over hundreds of Robins, Regals and Rialtos.
We just completed this Velo Orange Campeur for one of our customers. Robert has a nice vintage Fuji that he's been riding, but he was looking to add a bike for commuting and all-around use to his stable. Robert hand-picked most all of the components, but we helped flesh-out some of the drive train and little details. He wanted a vintage look and feel, with enough practicality for daily use.
Here's a photo of a map of the Four Beast Mountains that you can find on the corner of Xinyi and Linkou streets. It's probably the best one that I've found and even has MRT and bus route information. I've uploaded it at full resolution so you can click on "Actions", then "All Sizes", then "Original" and see all the details on it. Feel free to download it or drag and drop it to your desktop, too. I'll be posting a "practicalities" blog post on the Fout Beast Mountains in the next week or two and explain all these entrances in closer details.
Aston Martin has returned to one of their historic nameplates for their 4-door Grand Touring saloon.
Rapide is the name given to a previous incarnation of the 4-door concept.
Built from the Aston Martin VH (Vertical-Horizontal) aluminium architecture, the Rapide includes an additional 300mm within the wheelbase, allowing for another set of doors, and a more spacious 2nd row of seats. The body also adds a tailgate, opening to the roof, to improve luggage capacity and access.
The Rapide is powered by a 350 kW version of the Aston Martin 5.9 litre V12.
A stylish mode of saloon format luxury, the Rapide as a valuable addition to the Aston Martin marque for those looking for a bit more practicality from their Grand Touring.
This lego model has been created for Flickr LUGNuts 60th Build Challenge, our fifth birthday, to the 32nd Build Challenge, - 'God Save the Queen', celebrating automobiles and associated transport from the land of the United Kingdom.
This lego model include a lego vee-engine, rear-wheel-drive, and rear independent suspension. The body has four doors, rear liftback tailgate and bonnet (hood).