Chandrayaan-3: Engine powering rocket’s cryo upper stage tested | India News


BENGALURU: The Indian Space Research Organisation (Isro), on Monday said that the flight acceptance hot test of the CE-20 cryogenic engine that will power the cryogenic upper stage (CUS) of the GSLV-Mk3 or LVM3 launch vehicle for the Chandrayaan-3 mission was successfully conducted on February 24 at its propulsion complex, Mahendragiri.
“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,” Isro said.
The Chandrayaan-3 mission, which Isro is targeting this year, has been gaining pace in the past few weeks.
Key Lander Test Too
Between January 31 and February 3, the Chandrayaan-3 lander successfully underwent EMI/EMC (Electro – Magnetic Interference/ Electro-Magnetic Compatibility) test.
According to Isro, the test is conducted for satellite missions to ensure the functionality of the satellite subsystems in the space environment and their compatibility with the expected electromagnetic levels. This test is a major milestone in the realisation of the satellites.
Reiterating that the Chandrayaan-3 mission has three major modules — the Propulsion module, Lander module, and Rover — Isro said, 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 & rover compatibility tests for post landing mission phase were ensured. The performance of the systems was satisfactory,” Isro said.


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