The present parametric tradeoff study for OTV electric propulsion systems encompasses ammonia and hydrogen arcjets as well as Xe-ion propulsion systems with performance characteristics currently being projected for 1993 operation. In all cases, the power source is a nuclear-electric system with 30 kg/kW(e) specific mass, and the mission involves the movement of payloads from lower orbits to GEO. Attention is given to payload capabilities and associated propellant requirements. Mission trip time is identified as the key parameter for selection; while arcjets are preferable for shorter trip times, ion propulsion is more advantageous for longer trip times due to reduced propellant mass fraction.


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    Title :

    Parametric studies of electric propulsion systems for orbit transfer vehicles


    Contributors:
    Manvi, R. (author) / Fujita, T. (author)

    Publication date :

    1988-07-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English