The difficulty in developing a test stand for electric (MPD or ion) thrusters involves the following issues: Pumping requirements for high speed and throughput, power supply requirements and associated waste heat removal, erosion of surfaces in contact with the plume and the lack of plume data required for test stand design. The pumping requirements which we deal with primarily here, have been so difficult to meet that little progress has been made on long pulse issues. We propose a design using a surface pumping technology, titanium gettering, that has been developed in fusion research laboratories. The getter pumping must be used in a differential pumping scheme to handle the throughput and pumping speed requirements. By starting with short pulse experiments, plume data can be accumulated for the more critical design of the continuous operation test stand for MPD thruster life tests.


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    Titel :

    High throughput electric thruster test stand design


    Weitere Titelangaben:

    Aufbau eines Pruefstands fuer einen elektrischen Schubverstaerker mit hohem Durchsatz


    Beteiligte:
    Guss, W.C. (Autor:in) / Myer, R.C. (Autor:in) / Post, R.S. (Autor:in) / Torti, R.P. (Autor:in)

    Erschienen in:

    AIAA-Papers ; May ; 1-9


    Erscheinungsdatum :

    1987


    Format / Umfang :

    9 Seiten, 7 Bilder, 1 Tabelle, 9 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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