A successful attempt has been made to gain optical access to the inside of an arcjet nozzle without changing internal thruster design or affecting performance characteristics. Both fiber optics and small open holes have been used for emission spectroscopy of a small, confined, high-temperature plasma source. The plasma was found to be in a highly nonequilibrium state, with electron excitation temperatures more than double the rotational or vibrational temperatures.


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    Title :

    Techniques for Spectroscopic Measurements in an Arcjet Nozzle


    Contributors:


    Publication date :

    1992-02-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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