Inflections of spark leaders in elevated-pressure nanosecond gas discharges

V. F. Tarasenko, E. Kh Baksht, A. G. Burachenko, M. V. Erofeev, M. I. Lomaev

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The formation of spark leaders and a diffuse discharge due to the breakdown of gaps with a non-uniform electric field is studied in different elevated-pressure gases under the conditions of runaway electron beam and X-ray generation. Negative voltage pulses are applied to an electrode with a small radius of curvature. For pulse rise times of 0.5 and 1.5 ns, inflections on the spark leaders were observed. In a number of cases, two inflections appear making a right angle to the longitudinal axes of the leaders. It is shown that the formation of spark leaders is preceded by the appearance of diffuse tracks, which bridge the gap for no longer than 1 ns.

Original languageEnglish
Pages (from-to)494-498
Number of pages5
JournalTechnical Physics
Volume59
Issue number4
DOIs
Publication statusPublished - 1 Jan 2014

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gas discharges
sparks
pulses
gas pressure
breakdown
curvature
electron beams
radii
electrodes
electric fields
electric potential
x rays

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Inflections of spark leaders in elevated-pressure nanosecond gas discharges. / Tarasenko, V. F.; Baksht, E. Kh; Burachenko, A. G.; Erofeev, M. V.; Lomaev, M. I.

In: Technical Physics, Vol. 59, No. 4, 01.01.2014, p. 494-498.

Research output: Contribution to journalArticle

Tarasenko, V. F. ; Baksht, E. Kh ; Burachenko, A. G. ; Erofeev, M. V. ; Lomaev, M. I. / Inflections of spark leaders in elevated-pressure nanosecond gas discharges. In: Technical Physics. 2014 ; Vol. 59, No. 4. pp. 494-498.
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