The European Space Agency (ESA) recently has concluded a feasibility study for the European Crew Transfer Vehicle (CTV) to become operational for the first manned transfer flight to the International Space Station Alpha (ISSA) by 2005. The CTV, to be launched by Ariane 5, shall provide life support functions for a crew of four astronauts and about 100 hours autonomous flight duration. These life support functions comprise in particular atmosphere supply & pressure control, air conditioning, liquid management, and fire detection & suppression. The purpose of this paper is to identify the CTV requirements and to describe the capsule inherent design drivers. Furthermore the present design status of the CTV ECLSS (Environmental Control and Life Support System) is summarised herein. Optional design solutions are proposed, facilitating the reduction of design complexity, volumes and mass. In particular, the humidity removal function could derive benefit from the use of a different technological process, which deviates from the previous standard design solution. The condensing heat exchanger and a rotating condensate water separator assembly could be replaced by a static operating membrane water separator utilising a salt solution for humidity adsorption.


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    Titel :

    The ECLS Subsystem for the European Crew Transfer Vehicle (CTV)


    Weitere Titelangaben:

    Das ECLS-Teilsystem (Umweltschutz und Lebenserhaltungssystem) für das Europäische Besatzungstransportfahrzeug


    Beteiligte:
    Herber, N. (Autor:in) / Lucas, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1996


    Format / Umfang :

    8 Seiten, 8 Bilder



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    The ECLS Subsystem for the European Crew Transfer Vehicle (CTV)

    Lucas, Joachim / Herber, Nikolaus | SAE Technical Papers | 1996


    Development status of the MPLM ECLS subsystem and equipment

    Mueller, R. | British Library Online Contents | 1997


    European ECLS Technology Programme

    Savage, Chris / Preiss, Helmut | SAE Technical Papers | 1988


    Development status of the MPLM ECLS subsystem and equipment

    Mueller, R. / European Space Agency | British Library Conference Proceedings | 1997