The 25 seconds hot test was conducted on February 24 at the ISRO Propulsion Complex, Mahendragiri in Tamil Nadu…reports Asian Lite News
Indian space agency on Thursday said it had successfully completed the tests to check Chandrayaan-3 — moon spacecraft — to withstand the harsh vibration and acoustic environment that the spacecraft would face during its launch.
According to the Indian Space Research Organisation (ISRO), the tests were conducted during the first week of March 2023 at the test facilities located at the UR Rao Satellite Centre in Bengaluru.
These tests are an essential part of the qualification and acceptance process for any spacecraft.
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These tests were particularly challenging, considering the fact that the Chandrayaan-3 spacecraft is a composite of three modules viz. Propulsion Module, Lander Module and the Rover module.
The vibration and acoustic tests carried out on the integrated spacecraft have provided sufficient confidence on the structural integrity and survivability in the launch environment, ISRO said.
Last month, Indian Space Research Organisation (ISRO) said it had successfully conducted the flight acceptance hot test of the CE-20 cryogenic engine that would power the country’s rocket for the third moon mission — Chandrayaan-3.
According to the space agency, the CE-20 cryogenic engine will power the Cryogenic Upper Stage of the rocket called LVM3-M4.
The 25 seconds hot test was conducted on February 24 at the ISRO Propulsion Complex, Mahendragiri in Tamil Nadu.
“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.
According to ISRO, the Chandrayaan-3 lander successfully underwent EMI/EMC test during January 31-February 2 at the U.R. Rao Satellite Centre, Bengaluru.
The EMI-EMC 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.
Chandrayaan-3 interplanetary mission has three major modules:the Propulsion module, Lander module, and Rover.
The mission’s complexity calls for establishing radio-frequency (RF) communication links between the modules, said ISRO.
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.
The performance of the systems was satisfactory, the Indian space agency added.
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