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Journal of Radio Electronics Online scientific journal · eISSN 1684-1719
2025, № 11 · PHYSICAL PROBLEMS OF ELECTRONICS

Features of the formation of a high-voltage nanosecond discharge in a "point-to-point" gap filled with atmospheric pressure air

D.V. Beloplotov1, B. Zaitsev2, D.A. Sorokin1,2

1 Institute of High Current Electronics SB RAS, Tomsk, Russia
2 National Research Tomsk State University, Tomsk, Russia
Full text DOI: 10.30898/1684-1719.2025.11.21 UDC 537.523.9 EDN NLFXRQ

Abstract

Using high-speed scientific equipment, studies of high-voltage nanosecond discharge in a gap with two pointed electrodes filled with atmospheric-pressure air were carried out. The physical processes occurring during the discharge formation and combustion were studied using optical imaging and oscillography techniques. A stage-by-stage description of the phenomenon evolution obtained with high spatio-temporal resolution is presented. The fact of a collision of streamers propagating towards each other, occurring at a distance of ~ 2/3 of the interelectrode distance and accompanied by an increase in the intensity of the plasma glow and the electric field strength at the meeting point, has been experimentally recorded.

  • high-voltage nanosecond discharge
  • "point-to-point" gap
  • streamer
  • diffuse discharge
  • spark
  • nonuniform electric field
  • Atmospheric pressure air
Аннотация (на русском)

Особенности формирования высоковольтного наносекундного разряда в заполненном атмосферным воздухом промежутке "острие-острие"

С использованием высокоскоростной аппаратуры проведены исследования высоковольтного наносекундного разряда в зазоре с двумя острийными электродами, заполненном воздухом атмосферного давления. Методами оптической съемки и осциллографии изучены физические процессы, происходящие на стадии формирования и горения разряда. Представлено постадийное описание полученной с высоким пространственно-временным разрешением эволюции явления. Экспериментально зафиксирован факт столкновения распространяющихся навстречу стримеров, происходящее на расстоянии ~2/3 длины межэлектродного промежутка и сопровождающегося усилением в месте встречи интенсивности свечения и напряженности электрического поля.

For citation

Beloplotov D.V., Zaitsev B., Sorokin D.A. Features of the formation of a high-voltage nanosecond discharge in a "point-to-point" gap filled with atmospheric pressure air // Journal of Radio Electronics. – 2025. – No. 11. https://doi.org/10.30898/1684-1719.2025.11.21

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