ISRO developing semi-cryogenic engine working on liquid oxygen kerosene

Category : Science and Tech Published on: May 13 2024

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ISRO is leading the development of a semi-cryogenic propulsion system, primarily focused on a 2,000 kN thrust engine. This engine is designed to use a combination of liquid oxygen (LOX) and kerosene as propellants.
The primary objective of this semi-cryogenic propulsion system is to enhance the payload capacity of Launch Vehicle Mark-3 (LVM3) and future launch vehicles.
By utilizing this advanced propulsion technology, ISRO aims to improve the efficiency and performance of its launch vehicles.
A significant milestone in the development of ISRO's semi-cryogenic engine was the successful ignition of the semi-cryo pre-burner.
This crucial achievement, essential for initiating the semi-cryogenic engine, was attained through rigorous testing conducted at the Isro Propulsion Complex (IPRC) in Mahendragiri.
The ignition process of the semi-cryogenic engine involves the use of a unique fuel combination. Developed by the Vikram Sarabhai Space Centre (VSSC), this combination includes Triethyle Alumnide and Triethyle Boron.
It marks the first-time utilization of such a fuel combination in an ISRO engine, showcasing the agency's commitment to innovation and advancement in propulsion technology.