There is disclosed an anode for an arcjet thruster which resists erosion during start-up on constriction during steady-state operation. The anode includes a converging upstream portion, a diverging downstream portion and a constricted portion disposed therebetween. In one embodiment of the invention, rails formed in the constricted portion accelerate the passage of an arc during start-up reducing erosion. In a second embodiment, a higher strength material resists bulging as a result of the thermal gradient within the nozzle.


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    Title :

    Arcjet anode


    Contributors:

    Publication date :

    1995-11-07


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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