ISRO successfully conducted the first Pre-Burner Ignition trial for semi-cryogenic engine (SCE)-200 | Current Affairs | Vision IAS
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    ISRO successfully conducted the first Pre-Burner Ignition trial for semi-cryogenic engine (SCE)-200

    Posted 08 May 2024

    2 min read

    • The ignition process is one of the most critical parts in the development of liquid rocket engine systems.
      • The recent SCE ignition is achieved using a start fuel ampule which uses a combination of Triethyle Alumnide and Triethyle Boron developed by Vikram Sarabhai Space Centre (VSSC). 

    Semi-cryogenic engine (SCE)

    • SCE utilizes liquid oxygen (LOX) as an oxidizer and refined kerosene as fuel. 
    • ISRO is developing a powerful SCE that produces a thrust of 2,000 kilonewtons (kN). 
    • This SCE is aimed at improving the payload capacity of the Launch Vehicle Mark-3 (LVM3) and future launch vehicles. 
    • Liquid Propulsion Systems Centre, Bengaluru, is ISRO’s lead center for the development of SCE.
    • These engines offer significant advantages over traditional cryogenic engines. 
      • The cryogenic engine uses liquid Oxygen as oxidizer and liquid Hydrogen as fuel (both kept at very low temperatures). It is usually the last stage of rockets.

    Advantages of SCE 

    • Easy storage and handling: Refined kerosene is lighter, needs less space and can be stored at a normal temperature.
    • More thrust: They can carry huge weight to a higher altitude. 
    • Other benefits: They are eco-friendlier and more cost-effective compared to cryogenic engines.
    • Tags :
    • Semi-Cryogenic Engine
    • SCE-200
    • Launch Vehicle Mark-3

    Articles Sources

    https://www.isro.gov.in/Successful_ignition_test_on_semi_cryogenic_PITA.html
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