The Indian Space Research Organisation (ISRO) is all set to send two humans into space by 2015 and the challenge before the ISRO is to develop and launch an orbital vehicle to carry a two-member crew to the earth's lower orbit.
But along with that big challenge is one more smaller, but important challenge. Developing space suits for the two humans; a closely guarded secret kept by countries, which have already sent humans into space.
Scientists at ISRO will have to confront the challenge of manufacturing two types of suits; one for the space craft that will take the humans into space and the other for navigating in space.
The suits need to be pressurized and made of multiple fabric layers designed to recreate the earth's atmosphere, along with being air-tight, water-proof and flame-resistant, strong enough to resist gas pressure.
The space suits should be flexible at sub-zero temperatures and resilient at high temperatures and should be able to offer protection from radiation and flying debris and particles in space.
The space craft suit could weigh around 20 kgs and has seven layers to withstand cabin depressurization, prevent loss of oxygen supply and pooling of blood in the lower body among other things.
The space suit to be used by the astronauts outside the spacecraft when they navigate in space will have nearly 17 layers of fabrics made from Kevlar and Nomex, which are multi-purpose and functional by nature.
Fibre2fashion News Desk - India
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