A thermodynamic vent system (TVS) is being designed and built by Sundstrand for the Shuttle/Centaur LH2 tank based on concepts developed under previous General Dynamics Convair (GDC)/NASA studies and laboratory demonstrations. The TVS performs the function of controlling pressure in the liquid hydrogen tank during periods of low-gravity storage and assures venting of vapor from the cryogenic propellant tank without disturbing normal Shuttle operation. Major components of the TVS are a swirl flow heat exchanger, an electric mixer pump with fully redundant thermally conditioned electronic inverter, and parallel redundant throttling regulators with filters and shutoff valves.


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    Title :

    A Zero-Gravity Thermodynamic Vent System for the Shuttle/Centaur Hydrogen Tank


    Additional title:

    Sae Technical Papers



    Conference:

    Intersociety Conference on Environmental Systems ; 1984



    Publication date :

    1984-07-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English