, Volume 55, Issue 2, pp 210-218

High-pressure runaway-electron-preionized diffuse discharges in a nonuniform electric field

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Abstract

High-pressure nanosecond diffuse (volume) discharges in a nonuniform electric field are studied experimentally using a recording system with a ?100-ps time resolution. As the voltage pulse shrinks to a width of ≈100 ps, the initiation of a diffuse discharge without a source of additional ionization is facilitated; specifically, a runaway-electron-preionized diffuse discharge is ignited in atmospheric-pressure air in the case of short interelectrode gaps. It is found that a major energy deposit into the plasma of this discharge is from an abnormal glow discharge following a maximum of the gap voltage.

Original Russian Text © V.F. Tarasenko, E.Kh. Baksht, A.G. Burachenko, I.D. Kostyrya, M.I. Lomaev, D.V. Rybka, 2010, published in Zhurnal Tekhnicheskoǐ Fiziki, 2010, Vol. 80, No. 2, pp. 51–59.