Arcing between the electrodes of an ion rocket thrustor is investigated for the effect it will have on the overall design of ion rocket systems. The effect of generator, transformer, and inserted impedances on system stability and efficiency, and on operating lifetime of thrustor components are considered. Rate of arcing, preferential arc paths, speed of arc interruption, and response of thrustors to voltage transients are also discussed. The study indicates that arcing is a system hazard and that arcing rates are of prime importance in the design and development of thrustors, thrustor arrays, and system components. Two system models for reducing the hazard are proposed, based on principles developed herein, published data, and experience available from operation of nine-module electron-bombardment thrustor array. Experimental investigation of these models is presently underway.


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    Title :

    Effect of Thrustor Arcing on Ion Rocket System Design


    Contributors:

    Conference:

    AIAA 4th Electric Propulsion Conference ; 1964 ; Philadelphia, PA, United States


    Publication date :

    1964-08-31


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English







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