In this work, a krypton Hall thruster is used to study the influence of low-frequency oscillation on the focusing characteristics of the plasma beam. The experiment results show that the plume divergence half-angle of the krypton thruster is sensitive to the low-frequency oscillation. Through monitoring the ionization process inside the discharge channel, it is found that the low-frequency oscillation leads to extending of the propellant ionization region downstream and, at the same time, the electron temperature is increased near the channel exit. As a result, the deviation of space potential lines from the magnetic lines is enhanced. These are the dominant physical mechanisms to affect the plasma beam focusing characteristics for the krypton Hall thruster.


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    Titel :

    Effect of Low-Frequency Oscillation on Plasma Focusing in Krypton Hall Thruster


    Beteiligte:
    Xia, Guo-Jun (Autor:in) / Ning, Zhong-Xi (Autor:in) / Zhu, Xi-Ming (Autor:in) / Wei, Li-Qiu (Autor:in) / Chen, Shao-Wen (Autor:in) / Yu, Da-Ren (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.2020




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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