This paper describes a novel concept of the liquid helium pressurization system utilizing a heater in a liquid propellant rocket. This method makes the pressurization system simple and reliable, because electrical energy can be easily controlled to maintain the expulsion pressure in the liquid helium tank. The experimental results and the thermodynamic analysis are presented in this paper. The thermodynamic analysis considers two control volumes each with a uniform temperature, with the pressure in them being equal. The experimental result shows that this pressurization method satisfies the requirement for the pressurization system of the rocket. The thermodynamic analysis is verified through the comparison with the experimental result. The electrical power requirement in a practical rocket is also discussed.


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    Titel :

    Investigation on liquid helium pressurization process using a heater in a liquid propellant rocket


    Beteiligte:
    In, Sehwan (Autor:in) / Jeong, Sangkwon (Autor:in) / Kim, Hongseong (Autor:in)

    Erschienen in:

    Cryogenics ; 44 , 6-8


    Erscheinungsdatum :

    2004


    Format / Umfang :

    8 Seiten, 4 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Primary helium heater for propellant pressurization systems

    REICHMUTH, D. / NGUYEN, T. / PIEPER, J. | AIAA | 1991


    Rocket Propellant and pressurization Systems

    Ring, Elliot ;Ezra, Arthur A. | TIBKAT | 1964



    Simulation of High-Temperature Pressurization of Liquid-Propellant Rocket Tanks

    Naoumov, V. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2009