Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹11

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DOI: https://doi.org/10.30898/1684-1719.2025.11.21  

17th International Conference

Gas Discharge Plasmas and Their Applications

Ekaterinburg, Russia, 8-12 September 2025

 

 

 

Features of the formation

of a high-voltage nanosecond discharge

in a “point-to-point” gap

filled with atmospheric-pressure air

 

D.V. Beloplotov 1, B. Zaitsev 2, D.A. Sorokin 1,2

 

1 Institute of High Current Electronics SB RAS, 634055, Russia, Tomsk, 2/3 Akademichesky Ave.

2 National Research Tomsk State University, 634050, Russia, Tomsk, 36 Lenina Ave.

 

The paper was received October 2, 2025.

 

 

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.

Keywords: high-voltage nanosecond discharge, “point-to-point” gap, streamer, diffuse discharge, spark, nonuniform electric field, atmospheric pressure air.

Funding: The studies were performed in the framework of the State Task for IHCE SB RAS, project # FWRM-2021-0014.

Corresponding author: Dmitry Alekseevich Sorokin, SDmA-70@loi.hcei.tsc.ru

 

 

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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. – ¹ 11. https://doi.org/10.30898/1684-1719.2025.11.21