SPACE

ISRO successfully conducts Cryogenic engine test for Chandrayaan-3

  • The flight acceptance hot test of the CE-20 cryogenic engine that will power the cryogenic upper stage of the launch vehicle for the Chandrayaan-3 mission was successfully conducted.
  • Earlier this year, Chandrayaan-3 lander successfully underwent EMI/EMC test at U R Rao Satellite Centre here.

Bengaluru, February 28. The flight acceptance hot test of the CE-20 cryogenic engine that will power the Cryogenic Upper Stage of the LVM3 launch vehicle for the Chandrayaan-3 Mission was successfully conducted on February 24, 2023 at the ISRO Propulsion Complex, Mahendragiri in Tamil Nadu.

The hot test was carried out for a planned duration of 25 seconds at the High Altitude Test Facility. All the propulsion parameters during the test were found satisfactory and closely matched with predictions.

The cryogenic engine will be further integrated with the propellant tanks, stage structures and associated fluid lines to realise the fully integrated flight cryogenic stage.

“All the propulsion parameters during the test were found satisfactory and closely matched with predictions,” an ISRO statement said.

Earlier this year, Chandrayaan-3 lander successfully underwent EMI/EMC test at U R Rao Satellite Centre here.

Chandrayaan-3 interplanetary mission has three major modules: the propulsion module, lander module, and a rover. The mission’s complexity calls for establishing radio-frequency (RF) communication links between the modules.

During the Chandrayaan-3 lander EMI/EC test, launcher compatibility, antenna polarisation of all RF systems, standalone auto compatibility tests for orbital and powered descent mission phases, and lander and rover compatibility tests for post landing mission phase were ensured, according to ISRO.

The propulsion module will carry the lander and rover configuration till 100 km lunar orbit. The propulsion module has Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload to study the spectral and polari metric measurements of Earth from the lunar orbit.

The engine is called the CE-20 cryogenic engine. A cryogenic engine is one which uses a cryogenic fuel and oxidiser, which means that both its fuel and oxidiser are gases that have been liquefied, and stored at very low temperatures. This engine will be used for the Cryogenic Upper Stage of LVM3, India’s largest launch vehicle.

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