Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 39, Issue 12, Pages 3319-3325Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2011.2151885
Keywords
Gliding arc; glow discharge; glow-to-spark transition; hydrocarbon oxidation
Categories
Funding
- Russian Foundation for Basic Research [11-08-00671]
- Russian Academy of Sciences Siberian Division [IM-80]
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This paper describes the result of the investigation of a gas discharge in a flow of air with electrode geometry typical for the so-called gliding arc. The feature characteristic of the experimental conditions is a rather low level of an average discharge current (of about 0.2 A). The discharge is initiated due to a spark breakdown in the narrow part of the gap. After that, the spark discharge is transformed into a kind of a glow discharge. At the subsequent stage, the plasma column travels in the gap under the effect of a gas flow, and the current is sustained in the regime of a normal glow discharge. The typical cathode-voltage-drop value in this regime is estimated to be about 300 V, an average electric field in the positive column plasma is (700-800) V/cm, and the neutral-particle temperature in the negative glow region is T approximate to 1100 K.
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