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Iran manufacturing hi-tech spacesuits

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Iran manufacturing hi-tech spacesuits


Iran continues its work towards manufacturing hi-tech spacesuits, Head of Iran's Aerospace Research Institute, Mohammed Ebrahimi said, Mehr reported.

Ebrahimi said the design and production of spacesuits are being handled by country's Shiraz University.

"Despite the sanctions, we plan to send a man into space in about 8 years," Ebrahimi said.

Speaking of the spacesuits, Ebrahimi noted that the raw material for spacesuits doesn't cost cheap, as only few countries can afford it.

He added that Iran has enough knowledge of the matter and enough of financing to establish its own line of spacesuits' production.

In previous years, Iran has sent monkeys to space, and is planning to unveil a comprehensive space observatory named "Imam Sadiq" during the "Fajr Decade" this February.

Iran is one of the 24 founding members of the United Nations' Committee on the Peaceful Uses of Outer Space, which was set up in 1959.

Iran manufacturing hi-tech spacesuits - Trend.Az

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Here is the Chinese version in 2008:


China's indigenous Feitian space suit


China's indigenous Feitian space suit -- china.org.cn

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The Feitian extra-vehicular activity (EVA) suit is China's first indigenous space suit. It will be worn by one of the two astronauts on board the Shenzhou-7 spacecraft who will carry out a spacewalk. The following is a brief background on the suit.

Feitian, which literally means flying in the sky, is the name of a legendary Buddhist goddess.

The suit has 10 layers and weighs about 120 kilograms. Each suit costs 30 million yuan (about 4.4 million US dollars).

It has a reliability index of 0.977

Chinese scientists spent about four years in developing the Feitian EVA spacesuit. There is a small Chinese national flag on the left arm and the Chinese character "Feitian" on the right arm. It is designed for a spacewalk mission of up to four hours. With flexible limb joints designs, the suits can be donned by occupants ranging from 1.60 to 1.80 meters tall.

A tether is tied to the waist of the astronaut to connect him with the spacecraft.

A mirror is placed at the wrist of the suit to allow the occupant to better operate the controlling devices on the suit.

The EVA space suits are like a mini-spaceship which is composed of garment, equipments and systems to keep the astronauts alive in the outer space and allow them to carry out stipulated tasks.

It provides a pressurized atmosphere, oxygen and temperature control for the astronauts. It shields them from radiation, micrometeoroids and other harmful particles. It also allows the astronauts to communicate with others.

It will take the astronauts about 15 hours to assemble the suit in the spacecraft before their spacewalk. The suits will not be brought back to the earth.


India started the spacesuit in 2012:


Bangalore-Based Lab To Develop Space Suit For ISRO


http://www.asianscientist.com/in-the-lab/isro-debel-lab-design-space-suit-2012/

AsianScientist (Jul. 30, 2012) – As part of its human space flight program envisaged for a take off in 2016, Indian scientists are planning to design and develop an indigenous space suit.

The space suit will be designed to protect astronauts against extremes in temperature compounded by intensive solar radiation in space during the mission.

Existing technologies of this nature are a zealously guarded secret of a handful of spacefaring nations.

To engineer the space suit, the Indian Space Research Organisation (ISRO) has entered into an agreement with the Bangalore-based Defence Bioengineering and Electromedical Laboratory (DEBEL), which focuses on research and development in the area of aeromedical equipment, human engineering related to aviation, biomedical engineering, and life support system for the armed forces.

DEBEL, which is part of the state-owned Defence Research and Development Organization (DRDO), will draw upon its experience in life support systems, technical textiles, and materials during the development process.

S. Selvamurthy, Chief Controller of Research and Development (Life Sciences and international Cooperation) at DRDO, told this correspondent that this is the first time that the country will be developing a space suit.

All said and done, the Rs. 140,000 million (US$2.2 billion) Indian manned flight mission has yet to receive final clearance from the Government of India.

Moreover, difficulties encountered by ISRO with the cryogenic upper stage of its Geosynchronous Satellite Launch Vehicle (GSLV) could cast a shadow on the mission.

Selvamurthy also revealed that another DRDO laboratory, the Mysore-based Defence Food Research Laboratory (DFRL), would develop the menu for the Indian astronauts.

Incidentally, DFRL also had the distinction of providing food for the first Indian astronaut, Rakesh Sharma, who flew on-board a Russian space vehicle in 1984.

Interesting to know:( from Wiki)

Exposure to space without a spacesuit

The human body can briefly survive the hard vacuum of space unprotected,[2] despite contrary depictions in some popular science fiction. Human flesh expands to about twice its size in such conditions, giving the visual effect of a body builder rather than an overfilled balloon. Consciousness is retained for up to 15 seconds as the effects of oxygen starvation set in. No snap freeze effect occurs because all heat must be lost through thermal radiation or the evaporation of liquids, and the blood does not boil because it remains pressurized within the body. The greatest danger is in attempting to hold one's breath before exposure, as the subsequent explosive decompression can damage the lungs. These effects have been confirmed through various accidents (including in very-high-altitude conditions, outer space and training vacuum chambers).[3][4] Human skin does not need to be protected from vacuum and is gas-tight by itself. Instead it only needs to be mechanically compressed to retain its normal shape. This can be accomplished with a tight-fitting elastic body suit and a helmet for containing breathing gases, known as a space activity suit.
 
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A space suit is a garment worn to keep a human alive in the harsh environment of outer space, vacuum and temperature extremes. Space suits are often worn inside spacecraft as a safety precaution in case of loss of cabin pressure, and are necessary for extra-vehicular activity (EVA), work done outside spacecraft. Space suits have been worn for such work in Earth orbit, on the surface of the Moon, and en route back to Earth from the Moon. Modern space suits augment the basic pressure garment with a complex system of equipment and environmental systems designed to keep the wearer comfortable, and to minimize the effort required to bend the limbs, resisting a soft pressure garment's natural tendency to stiffen against the vacuum. A self-contained oxygen supply and environmental control system is frequently employed to allow complete freedom of movement, independent of the spacecraft.
Some of these requirements also apply to pressure suits worn for other specialized tasks, such as high-altitude reconnaissance flight. Above Armstrong's Line (around 19,000 m/62,000 ft), the atmosphere is so thin that pressurized suits are needed.
The first full pressure-suits for use at extreme altitudes were designed by individual inventors as early as the 1930s. The first space suit worn by a human in space was the Soviet SK-1 suit worn by Yuri Gagarin in 1961.

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Orlan space suit, worn by astronaut Michael Fincke outside the International Space Station

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Apollo A7L space suit worn by astronaut Buzz Aldrin on Apollo 11​
 
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