On the side of the Semicryogenic engine (Also called a LOX/Kerosene engine), the Indian Space Research Organisation (ISRO) has made splendid advancements in the design and development of this type of engine. The semi-cryogenic booster stage of the Launch Vehicle Mark-3 (LVM3) will get power from this high-thrust engine with a capability of 2,000 kN (kilonewton), making the payload capacity and the efficiency of the LVM3 better.
On March 28, ISRO succeeded in the first test on a hot test of the Engine Power Head Test Article (PHTA) in the ISRO Propulsion Complex at Mahendragiri, Tamil Nadu, with this being a major breakthrough in this ambitious development programme. However, the test took only 2.5, with smooth ignition and boost strap mode operation, a very important step towards proving the integrated performance of important subsystems. Pre burner, turbo pumps, start system and control components are a part of these.
ISRO said that the test followed the predicted parameters and that all the engine parameters were satisfied as per expectation. A series of further tests on the PHTA are planned to refine and optimize performance and finalise the fully integrated engine.
ISRO’s Liquid Propulsion Systems Centre (LPSC) is developing a semi cryogenic propulsion engine and its associated stage (SC120). Upon operation, the SC120 stage will use the SE2000 engine to replace the existing core liquid stage (L110) of the LVM3. The payload capacity is enhanced by this advancement, as it will be a critical booster stage functional component for future launch vehicle stages.
Compared to the L110 stage, the cryogenic proposition features the use of non-hazardous, non-toxic, liquid oxygen (LOX) and kerosene propellants with higher performance and better environmental safety.
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