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Self-running low-frequency pulsed regime of DC electric discharge in gas bubble immersed in a liquid

YU. AKISHEV1,* , G. APONIN1, M. GRUSHIN1, V. KARALNIK1, A. PETRYAKOV1, N. TRUSHKIN1

Affiliation

  1. SRC RF TRINITI, Troitsk, Moscow region, 142190, Russia

Abstract

The paper presents the set of experimental data on periodical electric breakdown inside a single gas bubble inserted in narrow dielectric tube filled with a liquid. Each electric breakdown is accompanied with slow extension of the bubble and decreasing the current. Once a length of the bubble reaches the critical magnitude, the current falls down and the bubble shrinks quickly to its initial size. Thereafter new breakdown appears again. A simplified model of the phenomenon observed is described as well..

Keywords

Pulsed discharge, Gas bubbles, Liquids, Non-thermal plasma, Radicals.

Submitted at: March 1, 2008
Accepted at: July 10, 2008

Citation

YU. AKISHEV, G. APONIN, M. GRUSHIN, V. KARALNIK, A. PETRYAKOV, N. TRUSHKIN, Self-running low-frequency pulsed regime of DC electric discharge in gas bubble immersed in a liquid, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 8, pp. 1917-1921 (2008)