Abstract
A slipping surface discharge excited along a multielectrode metal-dielectric system in a chemically active (combustible) CH4-O2 mixture has been studied experimentally. Results obtained with the help of high-speed hotography, shadowgraphy, optical spectroscopy, and piezoelectric measurements are presented. It is hown that the slipping surface discharge is a source of high-temperature, thermally equilibrium metal plasmoids hose lifetime is much longer than the plasma recombination time (long-lived plasmoids). The experimental investigation of the evolution of plasmoids introduced into a combustible gaseous medium allows one to conclude that the medium significantly increases the lifetime of plasmoids and that plasmoids, in turn, play an important role in the initiation of gas-mixture combustion.
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Translated from Fizika Plazmy, Vol. 30, No. 4, 2004, pp. 375–384.
Original Russian Text Copyright © 2004 by Kossy\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Silakov, Tarasova, Taktakishvili, van Wie.
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Kossyi, I.A., Silakov, V.P., Tarasova, N.M. et al. Long-lived plasmoids as initiators of combustion of gas mixtures. Plasma Phys. Rep. 30, 343–352 (2004). https://doi.org/10.1134/1.1707156
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DOI: https://doi.org/10.1134/1.1707156