EOS-03 mission couldn’t be accomplished due to performance anomaly: ISRO

Source: Indian Express

What is the News?

Indian Space Research Organisation’s(ISRO) second mission “EOS-03” faced a setback.  It could not be accomplished fully due to a performance anomaly in the cryogenic stage of the rocket.

About EOS-03:

EOS-03 is a state-of-the-art agile Earth observation satellite. It was launched by the Geosynchronous Satellite Launch Vehicle-F10(GSLV-F10).

Objectives of the Mission:
  • To provide real-time imaging of large area regions at frequent intervals
  • To provide quick monitoring of natural disasters
  • Furthermore, to obtain spectral signatures for agriculture, forestry, water bodies as well as for disaster warning, cyclone monitoring, cloudburst, and thunderstorm monitoring.
What is the cryogenic stage?
  • A cryogenic stage is the last stage of space launch vehicles, which makes use of cryogenics. The word refers to the technology of sub-zero temperature, where production and behavior of materials are studied at below -150 degrees Centigrade.
  • A Cryogenic rocket stage is more efficient and provides more thrust for every kilogram of propellant, compared to solid and earth-storable liquid propellant rocket stages.
  • However, the cryogenic stage is technically a very complex system compared to solid or earth-storable liquid propellant stages. It is because of the use of propellants at extremely low temperatures and the associated thermal and structural problems.
The anomaly in the cryogenic stage
  • According to ISRO, the engines failed to ignite in the cryogenic stage, which was called a “technical anomaly”. Hence, due to this, the mission couldn’t be accomplished as intended.
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