A novel orbital disconnect support (ODS) for cryogen tanks is described which makes use of the change of length of a “shape memory alloy (SMA)” element located at the warm end of a strap-type support. At room temperature the SMA-element is at its extended length with the support strap in disconnected condition. Upon heating the SMA-element to approximately 9O°C, it contracts such that it gets in contact with the support strap and provides the strap tensioning force. During testing of a breadboard ODS a ratio of up to 6,4 between the connected and disconnted heat flux via the ODS was demonstrated.


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    Title :

    A New Orbital Disconnect Support for Cryogen Tanks


    Additional title:

    Sae Technical Papers


    Contributors:
    Seidel, A. (author) / Jewell, C. (author) / Lieb, H. (author) / Hilmer, K. H. (author) / Schwabbauer, P. (author) / Schällig, R. (author)

    Conference:

    International Conference On Environmental Systems ; 1994



    Publication date :

    1994-06-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :


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    Advanced structural design copncepts for reusable composite mass effective cryogen tanks

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