This paper presents the challenges in the ground testing of Hall effect thrusters for plasma spacecraft propulsion applications. Hall effect thrusters by virtue of their high specific impulse can reduce spacecraft station-keeping propulsion mass by as much as an order of magnitude. However, testing and qualifying such plasma propulsion systems for use on spacecraft has a number of challenges. These challenges include the need for simulating the space environment, measuring very low thrust levels, determining lifetime, and under-standing the interaction of the energetic plume with spacecraft surfaces. Overcoming these challenges requires the use of both measurements and simulations of the complex plasma- surface interactions. It is only through the combined use of test and measurement resources that these plasma thrusters can be adequately characterized for on orbit qualification.


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    Title :

    Hall Effect Thruster Ground Testing Challenges


    Contributors:
    J. W. Hargus (author) / M. R. Nakles (author)

    Publication date :

    2009


    Size :

    23 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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