Capillary solutions have long existed for the control of liquid inventories in spacecraft fluid systems such as liquid propellants, cryogens and thermal fluids for temperature control. Such large length scale, 'low-gravity,' capillary systems exploit container geometry and fluid properties primarily wetting to passively locate or transport fluids to desired positions for a variety of purposes. Such methods have only been confidently established if the wetting conditions are known and favorable. In this paper, several of the significant challenges for 'capillary solutions' to low-gravity multi-phase fluids management aboard spacecraft are briefly reviewed in light of applications common to life support systems that emphasize the impact of the widely varying wetting properties typical of aqueous systems. A restrictive though no less typifying example of passive phase separation in a urine collection system is highlighted that identifies key design considerations potentially met by predominately capillary solutions. Sample results from novel scale model prototype testing aboard a NASA low-g aircraft are presented that support the various design considerations.


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    Titel :

    A novel device addressing design challenges for passive fluid phase separations aboard spacecraft


    Weitere Titelangaben:

    Ein neues Gerät für die passive Fluidphasentrennung an Bord von Raumfahrzeugen


    Beteiligte:
    Weislogel, M.M. (Autor:in) / Thomas, E.A. (Autor:in) / Graf, J.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    12 Seiten, 6 Bilder, 2 Tabellen, 31 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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