Dynamics of pin electrode in pin-to-plate discharge system

Hiroyuki Kawamoto, Kosuke Takasaki, Hiromu Yasuda

    Research output: Contribution to journalArticle

    Abstract

    Some kinds of singular dynamic phenomena were observed in a pin-to-plate gas discharge system. (1) One was vibration of the pin electrode perpendicular to the plate electrode observed at the transition from the dark discharge and the positive corona discharge due to the streamer corona when the axial stiffness of a support of the pin electrode was low. Similar vibration was observed in the negative corona discharge due to Trichel pulse and instability of the negative corona. Both vibrations were the forced vibration due to pulsative or fluctuating electrostatic force caused by ionic wind at corona discharging. (2) Another axial vibration was observed at spark discharge for the softly supported pin electrode. The applied voltage was transiently decreased and then relaxed after the occurrence of the spark discharge and alternative force was induced due to alternative ionic wind. Thus a large forced vibration coupled with the intermittent spark discharge took place. (3) Lateral whirling of the pin electrode was observed at corona discharging when the pin electrode was extremely fine. Whirling frequency was increased with the increase of the applied voltage. Axial repulsive force due to the ionic wind was the cause of the whirling.

    Original languageEnglish
    Pages (from-to)1449-1455
    Number of pages7
    JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
    Volume69
    Issue number5
    Publication statusPublished - 2003 May

    Fingerprint

    Electrodes
    Electric sparks
    Electrostatic force
    Electric potential
    Discharge (fluid mechanics)
    Stiffness
    Gases

    Keywords

    • Corona
    • Electromagnetic-Induced Vibration
    • Electrostatic Force
    • Gas Discharge
    • Information Processing Equipment
    • Ionic Wind
    • Laser Printer
    • Spark

    ASJC Scopus subject areas

    • Mechanical Engineering

    Cite this

    Dynamics of pin electrode in pin-to-plate discharge system. / Kawamoto, Hiroyuki; Takasaki, Kosuke; Yasuda, Hiromu.

    In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 69, No. 5, 05.2003, p. 1449-1455.

    Research output: Contribution to journalArticle

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