Experimental Study of a Vacuum Spark Discharge over a Dielectric Surface

V. I. Asiunin; S. G. Davydov; A. N. Dolgov; A. V. Korneev; A. A. Pshenichniy; R. Kh. Yakubov

doi:10.1134/S1063780X18060016

Experimental Study of a Vacuum Spark Discharge over a Dielectric Surface

Authors: Asiunin V.I.¹, Davydov S.G.¹, Dolgov A.N.¹, Korneev A.V.¹, Pshenichniy A.A.¹, Yakubov R.K.¹
Affiliations:
1. All-Russia Research Institute of Automatics
Issue: Vol 44, No 6 (2018)
Pages: 605-609
Section: Applied Physics
URL: https://journals.rcsi.science/1063-780X/article/view/186804
DOI: https://doi.org/10.1134/S1063780X18060016
ID: 186804

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Abstract

A decrease in the amplitude of the current of a vacuum spark discharge over a dielectric surface with increasing discharge gap length is established. It is shown that, in the presence of a longitudinal magnetic field, the leading edge of the discharge voltage pulse is extended, whereas the clearly pronounced current pulse transforms into a train of alternating current oscillations. The discharge is found to decelerate when the spark is preceded by a low-current discharge.