Discharge formation processes and glow-to-arc transition in pseudospark switch

Yu D. Korolev, Klaus Frank

    Research output: Contribution to journal › Article

    55 Citations (Scopus)

    Abstract

    This paper deals with an interpretation of the current sustaining mechanisms at different stages of the high-current low pressure pulsed gas discharge with hollow cathode (pseudospark discharge). The analysis of experimental data for the stage of delay time to breakdown and the subsequent stages is presented. The principal features of glow stages are interpreted in the framework of the concept of nonmonotonic potential distribution in the near cathode regions. It is shown that in spite of extremely high current density the main fraction of the discharge current at the cathode surface is carried by ion component. In the superdense glow stage the ion current is provided due to numerous microexplosions of the cathode surface, ionization of the metal vapor inside the cathode voltage drop region, and returning the metal vapor back to the cathode in a form of ions. The glow mode in this case is determined by a uniform distribution of the explosion centers over the cathode.

    Original languageEnglish
    Pages (from-to)1525-1537
    Number of pages13
    JournalIEEE Transactions on Plasma Science
    Volume27
    Issue number5
    DOIs
    Publication statusPublished - 1 Dec 1999

    Fingerprint

    switches
    arcs
    cathodes
    luminescence
    metal vapors
    high current
    surface ionization
    sustaining
    hollow cathodes
    gas discharges
    ion currents
    explosions
    ions
    time lag
    low pressure
    breakdown
    current density
    electric potential

    Keywords

    • Cathode microexplosions
    • Glow-to-arc transition
    • Hollow cathode pulsed discharge
    • Low pressure
    • Superdense glow

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics
    • Condensed Matter Physics

    Cite this

    Discharge formation processes and glow-to-arc transition in pseudospark switch. / Korolev, Yu D.; Frank, Klaus.

    In: IEEE Transactions on Plasma Science, Vol. 27, No. 5, 01.12.1999, p. 1525-1537.

    Research output: Contribution to journal › Article

    Korolev, YD & Frank, K 1999, 'Discharge formation processes and glow-to-arc transition in pseudospark switch', IEEE Transactions on Plasma Science, vol. 27, no. 5, pp. 1525-1537. https://doi.org/10.1109/27.799835
    Korolev YD, Frank K. Discharge formation processes and glow-to-arc transition in pseudospark switch. IEEE Transactions on Plasma Science. 1999 Dec 1;27(5):1525-1537. https://doi.org/10.1109/27.799835
    Korolev, Yu D. ; Frank, Klaus. / Discharge formation processes and glow-to-arc transition in pseudospark switch. In: IEEE Transactions on Plasma Science. 1999 ; Vol. 27, No. 5. pp. 1525-1537.
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