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    Home » ISRO Completes Successful Sea-Level Test of CE20 Cryogenic Engine

    ISRO Completes Successful Sea-Level Test of CE20 Cryogenic Engine

    Aditya LenkaBy Aditya LenkaDecember 12, 2024 Space No Comments2 Mins Read
    CE20 Engine test

    ISRO Successfully Tests CE20 Cryogenic Engine with Advanced Nozzle Design

    The Indian Space Research Organisation (ISRO) has achieved a significant milestone with the successful sea-level hot test of its CE20 cryogenic engine. Conducted on November 29, 2024, at the ISRO Propulsion Complex in Mahendragiri, Tamil Nadu, the test showcased the engine’s cutting-edge nozzle design and restart capabilities.

    Overcoming Sea-Level Testing Challenges

    Testing cryogenic engines at sea level presents unique challenges, particularly for high area ratio nozzles like the CE20, which features a nozzle area ratio of 100. The engine’s nozzle has an exit pressure of approximately 50 mbar, making it prone to flow separation. This can lead to vibrations, thermal stress, and potential mechanical damage.

    To address these issues, ISRO has traditionally relied on its High-Altitude Test (HAT) facility for flight acceptance tests. However, this approach increases complexity and cost. In a major breakthrough, ISRO implemented an innovative Nozzle Protection System, enabling safe and effective sea-level testing. This development simplifies the acceptance testing procedure while reducing costs.

    Demonstrating Engine Restart Capabilities

    A key aspect of the test was evaluating the performance of the engine’s multi-element igniter, which is crucial for restart capability in space. Restarting a cryogenic engine is a highly complex process, particularly in a vacuum. ISRO previously demonstrated vacuum ignition without a nozzle closure in earlier ground tests.

    In this test, only the first igniter element was activated, while the health of the other two elements was closely monitored. The results confirmed that both the engine and the test facility performed optimally, achieving the desired performance parameters.

    CE20: Powering India’s Space Ambitions

    The CE20 cryogenic engine, developed indigenously by ISRO’s Liquid Propulsion Systems Centre, powers the upper stage of the LVM3 launch vehicle. It has already demonstrated its reliability by successfully supporting six LVM3 missions.

    Recently, the engine was qualified for the Gaganyaan mission at a thrust level of 20 tonnes. It has also been upgraded to achieve a thrust level of 22 tonnes for the future C32 stage, enhancing the payload capacity of the LVM3 launch vehicle.

    This successful test underscores ISRO’s commitment to advancing its cryogenic engine technology, which plays a pivotal role in India’s space exploration goals.

    Author

    • Aditya Lenka
      Aditya Lenka

      A multi-faceted professional with a diverse range of skills and experiences. He currently works as a Producer, Digital Marketer, and Journalist for several well-known media outlets, namely StratNewsGlobal, BharatShakti, and Interstellar. With a passion for storytelling and a keen eye for detail, Aditya has covered a wide range of topics and events across India, bringing a unique perspective to his work.When he's not busy producing content, Aditya enjoys exploring new places and cuisines, having traveled extensively throughout India. He's also an avid writer and poet, often penning his thoughts and musings in his free time. And when he wants to unwind and relax, Aditya spends time with his two loyal companions, Zorro and Pablo, his beloved dogs.Aditya's dynamic personality and varied interests make him a unique individual, always eager to learn and experience new things.

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    Aditya Lenka
    Aditya Lenka

      A multi-faceted professional with a diverse range of skills and experiences. He currently works as a Producer, Digital Marketer, and Journalist for several well-known media outlets, namely StratNewsGlobal, BharatShakti, and Interstellar. With a passion for storytelling and a keen eye for detail, Aditya has covered a wide range of topics and events across India, bringing a unique perspective to his work.When he's not busy producing content, Aditya enjoys exploring new places and cuisines, having traveled extensively throughout India. He's also an avid writer and poet, often penning his thoughts and musings in his free time. And when he wants to unwind and relax, Aditya spends time with his two loyal companions, Zorro and Pablo, his beloved dogs.Aditya's dynamic personality and varied interests make him a unique individual, always eager to learn and experience new things.

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