NASA's next generation of space suit systems will place new demands on the pump used to circulate cooling water through the life support system and the crew's liquid cooling garment. Long duration missions and frequent EVA require increased durability and reliability; limited resupply mass requirements demand compatibility with recycled water, and changing system design concepts demand increased tolerance for dissolved and free gas and the ability to operate over a broader range of flow rates and discharge pressure conditions.This paper describes the development of a positive displacement prototype pump to meet these needs. A gerotor based design has been adapted to meet pump performance, gas tolerance, and durability requirements while providing a small, lightweight pump assembly. This design has been detailed and implemented using materials selected to address anticipated water quality and mission needs as a prototype unit for testing in NASA laboratories. Design requirements, pump technology selection and design, performance testing and test results will be discussed.


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    Titel :

    Development of a Prototype Water Pump for Future Space Suit Applications


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hartman, David (Autor:in) / Gervais, Edward (Autor:in) / Hodgson, Edward (Autor:in) / Trevino, Luis (Autor:in) / Dionne, Steven (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 2009



    Erscheinungsdatum :

    12.07.2009




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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