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GS-III : S&T Indigenization of Technology

29 December, 2020
3 Min Read

C32 LH2 PROPELLANT TANK

C32 LH2 PROPELLANT TANK:

C32 LH2 is the largest-ever cryogenic propellant tank developed by Hindustan Aeronautics Limited.
It is designed to increase the payload capability of ISRO’S GSLV Mk III from 4 tonnes to 6 tonnes.
The aim is to create self-reliance with regards to carrying heavier communication satellites into space.

About C32 LH2 Tank

It is a cryogenic propellant tank made of aluminium alloy.
Currently, India is dependent on French Guiana to launch heavier communication satellites.
C32 LH2 will put an end to India’s dependence on a foreign country and will boost its self-reliance.

What are Cryogenic fuels?

Cryogenic means low temperature.
They are fuels that requires extremely low storage temperature.
Thus, the space environment cannot support combustion. And therefore, highly low temperature fuels are needed.
Usually the cryogenic engines use liquid hydrogen as fuel and liquid oxygen as oxidiser.
This is because oxygen can be kept in liquid state that is below -183 degrees Celsius.
On the other hand, the liquid hydrogen is kept at -253 degree Celsius.

Source: PIB

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