A Vuilleumier refrigerator for spaceborne applications is under development with the following performance goals: a cooling power of simultaneously 1 watt at 50 K and 5 watts at 190 K for an overall electrical consumption less than 250 watts. The main features necessary for long-life operation (over 50000 hours) are the use of contactless hydrodynamic gas bearings, clearance seals and magnetic rotato-reciprocating actuators. The feasibility of all critical components has been proven. A first prototype of a thermal compressor with a bearing at its warm end (1000 K) has been built and tested. The design of a refrigerator engineering model presently under construction is presented


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    Titel :

    A Vuilleumier refrigerator for long-life spaceborne applications


    Weitere Titelangaben:

    Eine Vuilleumier-Kühleinrichtung für lange dauernde Raumfahrt-Anwendungen


    Beteiligte:
    Ravex, A. (Autor:in) / Claudet, G. (Autor:in) / Rolland, P. (Autor:in)


    Erscheinungsdatum :

    1990


    Format / Umfang :

    5 Seiten, 2 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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