The UAH-78AM is a low-power Hall effect thruster developed at the University of Alabama in Huntsville with channel walls and a propellant distributor manufactured using 3D printing. The goal of this project is to assess the feasibility of using unconventional materials to produce a low-cost functioning Hall effect thruster and consider how additive manufacturing can expand the design space and provide other benefits. A version of the thruster was tested at NASA Glenn Research Center to obtain performance metrics and to validate the ability of the thruster to produce thrust and sustain a discharge. An overview of the thruster design and transient performance measurements are presented here. Measured thrust ranged from 17.2 millinewtons to 30.4 millinewtons over a discharge power of 280 watts to 520 watts with an anode I (sub SP)(Specific Impulse) range of 870 seconds to 1450 seconds. Temperature limitations of materials used for the channel walls and propellant distributor limit the ability to run the thruster at thermal steady-state.


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    Title :

    Design and Testing of a Hall Effect Thruster with 3D Printed Channel and Propellant Distributor


    Contributors:

    Conference:

    International Electric Propulsion Conference 2017 ; 2017 ; Atlanta, GA, United States


    Publication date :

    2017-10-08


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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