EXPLOSIVE CATHODE PROCESSES AND CONTRACTION OF A HIGH-CURRENT NANOSECOND DISCHARGE.

Yu D. Korolev, V. A. Kuz'min, G. A. Mesyats, V. P. Rotshtein

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    Abstract

    Nanosecond discharges in air are investigated at pressures in the range 10-100 torr with a current density of (1-5). 10**3 A/cm**2. The results show that a high-conductivity spark channel is initiated by a cathode spot a certain time after the initiation of the discharge. The duration of discharges without spots is measured. A mechanism for the appearance of a spot based on an instability of the cathode sheath caused by field emission from microscopic protuberances is discussed.

    Original languageEnglish
    Pages (from-to)236-238
    Number of pages3
    JournalSoviet physics. Technical physics
    Volume24
    Issue number2
    Publication statusPublished - Feb 1979

    ASJC Scopus subject areas

    • Engineering(all)

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  • Cite this

    Korolev, Y. D., Kuz'min, V. A., Mesyats, G. A., & Rotshtein, V. P. (1979). EXPLOSIVE CATHODE PROCESSES AND CONTRACTION OF A HIGH-CURRENT NANOSECOND DISCHARGE. Soviet physics. Technical physics, 24(2), 236-238.