The environmental and instrumentation requirements for long term testing of electrical propulsion thrusters which impose severe and unusual requirements upon the simulation facility were studied. High speed ions ejected from a mercury thruster erode material from collecting surfaces, which is then scattered and redeposited upon other surfaces, with resultant damage to the chamber and test article. By collecting the thruster plume on a frozen mercury surface damage to the thruster and chamber by back-scattered erosion products was minimized. Provisions for unattended operation, remote data acquisition, personnel safety, and instrumentation for assessing thruster performance are also discussed. (Author)


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    Title :

    Test Facility for 6000 Hour Life Test of 30 cm Mercury Ion Thruster


    Contributors:

    Publication date :

    1973


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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