The GSLV-D3 launch mission to lift the advanced communication satellite, GSAT-4 to geo-synchronous orbit of earth
was in vain.The launch vehicle deviated from its path as it entered the upper cryogenic engine stage.
The mission was crucial for two factors.First, it had an indigenously built cryogenic engine, a project spanning
seventeen years for ISRO to complete. The cryogenic stage consists of fuels at extremely low temperatures.
Extremely high thrust can be produced by combining liquid oxygen and liquid hydrogen at greater efficiency, and
thus they are used as rocket propellants in this stage. This requires high quality engineering as oxygen is in
liquid state only below -183 degrees and hydrogen below -253 degrees. Secondly , this technology has to be mastered
if
The "Failure Analysis Committee" will probe the exact reason to find the failure of turbine which pumps the cryogenic
stage fuel. Hope the mission is successful by next year.
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