A microwave beaming thruster boosted by a 170GHz gyrotron was investigated. Plasma was successfully initiated by focusing the millimetre wave beam using a parabolic reflector. The plasma propagation velocity was increased with the beam power density; the velocity became supersonic at the power density beyond 80 kW/cm2. Propulsive impulse was measured through the flight experiments, and resulting momentum coupling coefficient, a ratio of thrust to input energy, was found drastically increased when the plasma propagation velocity becomes supersonic.


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    Titel :

    Application of high power millimeter-wave to space propulsion


    Beteiligte:
    Oda, Y. (Autor:in) / Ushio, M. (Autor:in) / Komurasaki, K. (Autor:in) / Takahashi, K. (Autor:in) / Kasugai, A. (Autor:in) / Sakamoto, K. (Autor:in)


    Erscheinungsdatum :

    2005


    Format / Umfang :

    2 Seiten, 3 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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