Current research on self-field MPD thrusters presents the possibility of developing high power/low cost electric propulsion. The interest generated in this propulsion concept within both NASA and the U.S. Air Force has led to a coordinated interagency effort, and the recent completion of several test sites are expected to speed thruster concept development. Efficiencies approaching 40% at 2200 sec have been experimentally demonstrated. Among the characteristics recommending development of MPD thrusters are high thrust density and power handling capability, simplicity, and a wide dynamic range of thrust and specific impulse. MPD thrusters can, moreover, operate either continuously, at high available power levels, or in a pulsed mode, to match lower power levels.


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    Title :

    Magnetoplasmadynamic thruster development


    Contributors:

    Conference:

    Japan Society for Aeronautical and Space Sciences, and DGLR, International Electric Propulsion Conference ; 1982 ; New Orleans, LA


    Publication date :

    1982-11-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English