By focusing a high‐power millimeter wave beam generated by a 170 GHz gyrotron, a breakdown occurred and a shock wave was driven by plasma heated by following microwave energy. The shock wave and the plasma around a focal point of a parabolic thruster were visualized by a shadowgraph method, and a transition of structures between the shock wave and the plasma was observed. There was a threshold local power density to make the transition, and the propagation velocity at the transition was around 800 m/s.


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    Title :

    Visualization of Shock Wave Driven by Millimeter Wave Plasma in a Parabolic Thruster



    Conference:

    BEAMED ENERGY PROPULSION: 6th International Symposium ; 2009 ; Scottsdale (Arizona)


    Published in:

    AIP Conference Proceedings ; 1230 , 1 ; 387-394


    Publication date :

    2010-05-06


    Size :

    8 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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