This paper describes the heat load sharing function among multiple parallel evaporators in a capillary pumped loop (CPL). In the normal mode of operation, the evaporators cool the instruments by absorbing the waste heat. When an instrument is turned off, the attached evaporator can keep it warm by receiving heat from other evaporators serving the operating instruments. This is referred to as heat load sharing. A theoretical basis of heat load sharing is given first. The fact that the wicks in the powered evaporators will develop capillary pressure to force the generated vapor to flow to cold locations where the pressure is lower leads to the conclusion that heat load sharing is an inherent function of a CPL with multiple evaporators. Heat load sharing has been verified with many CPLs in ground tests. Experimental results of the Capillary Pumped Loop 3 (CAPL 3) Flight Experiment are presented in this paper. Factors that affect the amount of heat being shared are discussed. Some limitations of heat load sharing are also addressed.


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    Titel :

    Heat Load Sharing in a Capillary Pumped Loop With Multiple Evaporators and Multiple Condensers


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ku, Jentung (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 2005



    Erscheinungsdatum :

    2005-07-11




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :