This paper presents test results of an experimental study of low power operation in a loop heat pipe. The main objective was to demonstrate how changes in the vapor void fraction inside the evaporator core would affect the loop behavior. The fluid inventory and the relative tilt between the evaporator and the compensation chamber were varied so as to create different vapor void fractions in the evaporator core. The effect on the loop start-up, operating temperature, and capillary limit was investigated. Test results indicate that the vapor void fraction inside the evaporator core is the single most important factor in determining the loop operation at low powers.


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    Titel :

    Investigation of Low Power Operation in a Loop Heat Pipe


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ku, Jentung (Autor:in) / Cheung, Kwok (Autor:in) / Ottenstein, Laura (Autor:in) / Rogers, Paul (Autor:in)

    Kongress:

    31st International Conference On Environmental Systems ; 2001



    Erscheinungsdatum :

    2001-07-09




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Temperature Oscillations in Loop Heat Pipe Operation

    Ku, J. / Ottenstein, L. / Kobel, M. et al. | British Library Conference Proceedings | 2001


    Nonlinear Dynamics in Loop Heat Pipe Operation

    Hoang, Triem T. / Baldauff, Robert W. | AIAA | 2016


    LOOP HEAT PIPE AND LOOP HEAT PIPE EVAPORATOR

    YAMAMOTO MASAYUKI | Europäisches Patentamt | 2020

    Freier Zugriff

    Analytical Model for Transient Loop Heat Pipe Operation

    Hoang, Triem T. / Baldauff, Robert W. / Mahony, Denis R. | AIAA | 2015


    Stabilizing Loop Heat Pipe Operation with Control Heaters

    Holman, Tim / Baldauff, Robert W. / Khrustalev, Dmitry | AIAA | 2019