Porous plate dehumidifiers (PPD) and porous tube nutrient delivery systems (PTNDS) are designed to provide a means for accurate environmental control, and also allow for two-phase flow separation in microgravity through surface tension. The technological challenges associated with these systems arise from the requirement to accurately measure and control the very small pressures that typically occur within and across the porous media. On-orbit automated priming or filling of the system in the absence of gravity may be necessary. Several porous plate dehumidifiers and porous tube nutrient delivery systems have been tested and evaluated, and experimental results for engineering design are presented.


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    Titel :

    Design, Testing and Operation of Porous Media for Dehumidification and Nutrient Delivery in Microgravity Plant Growth Systems


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hoehn, Alex (Autor:in) / Clawson, James (Autor:in) / Pineau, Jon (Autor:in) / Scovazzo, Paul (Autor:in) / Geissinger, Tobias (Autor:in) / Kalinowski, William (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 2003



    Erscheinungsdatum :

    07.07.2003




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Design, Testing and Operation of Porous Media for Dehumidification and Nutrient Delivery in Microgravity Plant Growth Systems

    Hoehn, A. / Scovazzo, P. / Clawson, J. et al. | British Library Conference Proceedings | 2003


    Porous tube plant nutrient delivery system development: A device for nutrient delivery in microgravity

    Dreschel, T. W. / Brown, C. S. / Piastuch, W. C. et al. | NTRS | 1994



    Porous Tube Plant Nutrient Delivery System Development: A Device for Nutrient Delivery in Microgravity

    Dreschel, T. W. / Brown, C. S. / Piastuch, W. C. et al. | British Library Conference Proceedings | 1994


    Porous tube plant nutrient delivery system development: A device for nutrient delivery in microgravity

    Dreschel, T.W. / Brown, C.S. / Piastuch, W.C. et al. | Elsevier | 1994