The propellant gas for a pulsed self-field MPD thruster must be supplied by a valve which will necessarily be separated from the thruster injectors by some ullage volume. A model and experimental data are presented showing the effect of the ullage volume on the propellant pulse shape, along with a discussion of the proper location for the propellant flow choke point(s). Prospective MPD pulse valves are surveyed and the performance of two solenoid valves, one with a pulse length less than 2 milliseconds, is included. Pulse shape data is presented for a thruster specially modified to reduce the ullage volume.


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    Titel :

    Propellant injection for MPD thrusters


    Beteiligte:
    Jones, R. M. (Autor:in)

    Kongress:

    International Electric Propulsion Conference ; 1979 ; Princeton, NJ


    Erscheinungsdatum :

    01.10.1979


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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