The heat pipes in this radiator for space applications incorporate a central-core wrapped screen wick, which primes and reprimes under adverse conditions in the presence of noncondensable gas. A step change in mesh size provedes low resistance to liquid flow in the condenser while at the same time retaining high pumping capability in the evaporator region. The envelope and wick material is stainless steel for a turndown ratio of 6000 to l. The design offers high thermal transport at relatively high tilt angles thus reducing spacecraft leveling requirements. The working fluid is ammonia. Spacecraft thermal design considerations are presented as well as thermal vacuum testing of the space radiator.


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    Titel :

    A high reliability variable conductance heat pipe space radiator


    Weitere Titelangaben:

    Bauart eines Waermeleitrohres zur Temperaturregelung fuer einen Nachrichtensatelliten mit hoher Zuverlaessigkeit


    Beteiligte:
    Fleischmann, G.L. (Autor:in) / Pasley, G.F. (Autor:in) / Mc Grath, R.J. (Autor:in) / Loudenback, L.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    11 Seiten, 11 Bilder, 6 Tabellen, 6 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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