Vol. 31, issue 03, article # 11

Tarasenko V. F., Beloplotov D. V. The formation of miniature analogues of bead lightning in nitrogen and air during pulsed discharge in nonuniform electric field. // Optika Atmosfery i Okeana. 2018. V. 31. No. 03. P. 214–219. DOI: 10.15372/AOO20180311 [in Russian].
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Abstract:

The discharge glow dynamics in a point–plane gap during a nanosecond breakdown of air and nitrogen initiated by runaway electrons is studied with an ICCD camera. Formation of plasma clots that form a structure similar to the even lightning has been observed. It is shown that the number of bright plasma clots in the gap (individual beads) increases with an increase in the pressure. Up to four individual beads of equal size have been recorded in nitrogen at a pressure of 0.4 MPa.

Keywords:

formation of a miniature bead lightning, nanosecond breakdown of air and nitrogen, inhomogeneous electric field, runaway electrons

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