ISRO tests semi cryogenic engine

May 15, 2023

ISRO recently tested an intermediate configuration of its 2000 kN semi-cryogenic engine at newly commissioned Semi-cryogenic Integrated Engine & Stage Test facility at ISRO Propulsion Complex (IPRC) in Mahendragiri, Tamil Nadu.
Unlike a cryogenic engine, a semi-cryogenic engine uses refined kerosene instead of liquid hydrogen.
- The Liquid oxygen is used as an oxidiser.
Refined Kerosene occupies less space, making it possible to carry more propellant in a Semi Cryogenic engines fuel compartment.
Semi-cryogenic engine is more powerful, eco-friendly and cost effective as compared to a cryogenic engine.