A series of long term test segments of 30 cm diameter mercury bombardment thrusters is being conducted as the Mission Profile Life Test. The first 4000 hour segment has been completed with the J series thruster, J1. Thruster and power processing units were controlled by computer with software algorithms governing normal functions of startup, throttle, and shutdown as well as automatically handling a variety of off-normal conditions. Thruster operation includes a discussion of the test chronology describing notable events and their significance. Post-test examination provides insight into thruster lifetime. Results are consistent with mission requirements of 15,000 hours at 2A


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    Title :

    Results of the Mission Profile Life Test first test segment - Thruster J1


    Contributors:

    Conference:

    International Electric Propulsion Conference ; 1981 ; Las Vegas, NV, US


    Publication date :

    1981-04-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English