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

Hiroyuki Kawamoto, Kosuke Takasaki, Hiromu Yasuda

    研究成果: Article

    抄録

    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.

    元の言語English
    ページ(範囲)1449-1455
    ページ数7
    ジャーナルNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
    69
    発行部数5
    出版物ステータスPublished - 2003 5

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

    ASJC Scopus subject areas

    • Mechanical Engineering

    これを引用

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    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.",
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    TY - JOUR

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    AU - Kawamoto, Hiroyuki

    AU - Takasaki, Kosuke

    AU - Yasuda, Hiromu

    PY - 2003/5

    Y1 - 2003/5

    N2 - 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.

    AB - 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.

    KW - Corona

    KW - Electromagnetic-Induced Vibration

    KW - Electrostatic Force

    KW - Gas Discharge

    KW - Information Processing Equipment

    KW - Ionic Wind

    KW - Laser Printer

    KW - Spark

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