lucky horse ISRO Successfully Carries Out Vacuum Ignition Trial Of Cryogenic Engine

ISRO launches ignition trial of cryogenic engine Photo: PTI ISRO launches ignition trial of cryogenic engine Photo: PTI

ISRO on Saturday said that it has successfully carried out the ignition trial of the indigenous CE20 cryogenic engine powering the upper stage of LVM3, with a Multi-element igniter under vacuum conditionslucky horse, which simulates the engine ignition in the vacuum condition of space.

This test was carried out on Friday in the High Altitude Test Facility at ISRO Propulsion Complex, Mahendragiri, Tamil Nadu, ISRO said in a statement.

This engine is crucial for the Gaganyaan mission, India's ambitious crewed space mission.

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During this test, the ignition of the engine Thrust Chamber was carried out with a multi-element igniter in a vacuum, under the tank pressure conditions that are expected to prevail at the time of restarting the cryogenic engine in flight. The performance of the engine and the facility during the test was normal and as expected.

Restarting a cryogenic engine is inherently complex and as part of the studies related to the restart operation, ISRO is exploring the initiation of turbopumps in bootstrap mode rather than the stored gas system.

In this approach,ph143 games both the thrust chamber and gas generator are expected to re-ignite under tank head conditions. ISRO has outlined a series of tests aimed at engine starts in bootstrap mode towards enhancing the capability for multiple cryogenic engine restarts during flight.

Previously, the engine ignition trial using multi-element igniter was carried out in the ground conditions outside the vacuum chamber.

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"The engine is already qualified to operate for thrust levels ranging from 19t to 22t in flight with single start and is qualified for Gaganyaan mission," ISRO said.

The engine was developed by Liquid Propulsion Systems Centre of ISRO.lucky horse