Vaporizing water micro-thrusters are fabricated and tested. A single micro-thruster fabricated using MEMS technology consists of a micro-resistor, a vaporizing chamber, a nozzle, a propellant inlet and a micro channel. The water propellant is fed into the thruster from a propellant tank by capillary force and pressure. The micro-thruster is designed to operate in pulse mode. During each period, an electric pulse is applied to the micro-resistor to heat the water in the chamber to vaporize it into high-pressure gas. A thrust is then produced as the gas exits through the nozzle. Test results show that for a single micro-thruster with pulse power of 30 W, the total impulse produced in a second is more than 0.2x10-6 N s.


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    Titel :

    Study of a vaporizing water micro-thruster


    Beteiligte:
    Ye, X.Y. (Autor:in) / Tang, F. (Autor:in) / Ding, H.Q. (Autor:in) / Zhou, Z.Y. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    7 Seiten, 6 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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