Journal of Radio Electronics. eISSN 1684-1719. 2025. №11

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DOI: https://doi.org/10.30898/1684-1719.2025.11.20

17th International Conference

Gas Discharge Plasmas and Their Applications

Ekaterinburg, Russia, 8-12 September 2025

TOWNSEND STAGE OF NEGATIVE CORONA DISCHARGE

IN ATMOSPHERIC AIR

E.Kh. Baksht, A.G. Burachenko, A.N. Panchenko

Institute of High Current Electronics SB RAS,

634055, Russia, Tomsk, Akademichesky Ave., 2/3

The article was received October 2, 2025.

Abstract. Low-current Townsend stage of negative corona discharge in air and conditions of its occurrence were studied. This stage can occur in the range of applied voltage lower than the voltage characteristic for Trichel pulse generation. Effect of various factors on the Townsend stage occurrence was studied. Experimental conditions facilitating observation and study of the Townsend stage were found. Current-voltage characteristic of the Townsend stage of the corona discharge was obtained, and photographs of the glow of this stage were taken. An explanation was proposed for the causes of occurrence or absence of the Townsend stage during ignition of a negative corona discharge.

Keywords: negative corona, Trichel pulses, dark Townsend discharge.

Financing: This work was carried out using financial support from the Russian Science Foundation (project No. 25-29-00131).

Corresponding author: Baksht Evgenii Khaimovich, beh@loi.hcei.tsc.ru

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For citation:

Baksht E.Kh., Burachenko A.G., Panchenko A.N. Townsend stage of negative corona discharge in atmospheric air // Journal of Radio Electronics. – 2025. – №. 11. https://doi.org/10.30898/1684-1719.2025.11.20