The EMU incorporates two separate water circuits for the rejection of metabolic heat from the astronaut and the cooling of electrical components. The first (the Transport Water Loop) circulates in a semi-closed-loop manner and absorbs heat into a Liquid Coolant and Ventilation Garment (LCVG) warn by the astronaut. The second (the Feed Water Loop) provides water to a cooling device (Sublimator) with a porous plate, and that water subsequently sublimates to space vacuum. The cooling effect from the sublimation of this water translates to a cooling of the LCVG water that circulates through the Sublimator. Efforts are underway to streamline the use of a water processing kit (ALCLR) that is being used to periodically clean and disinfect the Transport Loop Water. Those efforts include a fine tuning of the duty cycle based on a review of prior performance data as well as an assessment of a fixed installation of this kit into the EMU backpack or within on-orbit EMU interface hardware. Furthermore, testing is being conducted to ensure compatibility between the International Space Station (ISS) Water Processor Assembly (WPA) effluent and the EMU Sublimator as a prelude to using the WPA effluent as influent to the EMU Feed Water loop. This work is undertaken to reduce the crew-time and logistics burdens for the EMU, while ensuring the long-term health of the EMU water circuits for a post-Shuttle 6-year service life.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Management of the Post-Shuttle Extravehicular Mobility Unit (EMU) Water Circuits


    Beteiligte:
    Steele, John W. (Autor:in) / Etter, David (Autor:in) / Rector, Tony (Autor:in) / Hill, Terry (Autor:in) / Wells, Kevin (Autor:in)

    Kongress:

    International Conference on Environmental Systems (ICES) ; 2012 ; San Diego, CA, United States


    Erscheinungsdatum :

    01.01.2011


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    MANAGEMENT OF THE POST-SHUTTLE EXTRAVEHICULAR MOBILITY UNIT (EMU) WATER CIRCUITS

    Steele, John / Etter, David / Rector, Tony et al. | AIAA | 2012


    Management of the Post-Shuttle Extravehicular Mobility Unit (EMU) Water Circuits

    Etter, D. / Rector, T. / Hill, T. et al. | British Library Conference Proceedings | 2012


    Management of the Post-Shuttle Extravehicular Mobility Unit (EMU) Water Circuits

    Steele, John W. / Etter, David / Rector, Tony et al. | NTRS | 2012


    Management of the Post-Shuttle Extravehicular Mobility Unit (EMU) Water Circuits

    J. W. Steele / D. Etter / T. Rector et al. | NTIS | 2012


    Shuttle Extravehicular Mobility Unit (EMU) Operational Enhancements

    McBarron, James W. / Spampinato, Philip M. / Balinskas, Robert | SAE Technical Papers | 1990