In cryo-vessels for space equipment, vapor-liquid phase separation by means of porous plugs has been of interest in several advanced systems (e.g. infrared telescopes). Plug operation is characterized by coupling of the mass throughput to the entropy rejection rate required for controlled vaporization. The latter is accomplished by utilization of the latent heat of vaporization on the vent side. For defined entropy rejection a most important quantity is the normal fluid flow rate which has to be known for the thermo-osmotic conditions of the plug. Porous media concepts have been applied in a parametric study of various quantities of interest for the flow rate. This approach leads to relatively simple solutions for small transport rates. A comparison of the limited data available with prediction shows partial agreement in the conductance ratio of phase separation expressed as entropy transport conductance ratio. (Wassmann)


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    Titel :

    Vapor-liquid phase separation of cryogenic liquid storage systems below the lambda point (He 4)


    Weitere Titelangaben:

    Dampf-Fluessigphasentrennung in kryotechnischen Fluessigkeitsspeichersystemen unterhalb des Lambdapunktes (He 4)


    Beteiligte:
    Chuang, C. (Autor:in) / Kim, Y.J. (Autor:in) / Frederking, T.H. (Autor:in)


    Erscheinungsdatum :

    1980


    Format / Umfang :

    6 Seiten, 6 Bilder, 15 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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