The International Space Station has onboard two Aerojet Rocketdyne developed plasma contactor units that perform the function of charge control. The plasma contactor units contain NASA Glenn Research Center developed hollow cathode assemblies. NASA Glenn Research Center monitors the on-orbit operation of the flight hollow cathode assemblies. As of May 31, 2013, HCA.001-F has been ignited and operated 123 times and has accumulated 8072 hours of operation, whereas, HCA.003-F has been ignited and operated 112 times and has accumulated 9664 hours of operation. Monitored hollow cathode ignition times and anode voltage magnitudes indicate that they continue to operate nominally.


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    Titel :

    Operational Status of the International Space Station Plasma Contactor Hollow Cathode Assemblies July 2001 to May 2013


    Beteiligte:
    Kamhawi, Hani (Autor:in) / Yim, John T. (Autor:in) / Patterson, Michael J. (Autor:in) / Dalton, Penni J. (Autor:in)

    Kongress:

    Joint Propulsion Conference and Exhibit ; 2013 ; San Jose, CA, United States
    International Energy Conversion Engineering Conference ; 2013 ; San Jose, CA, United States


    Erscheinungsdatum :

    2013-07-15


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch