Two-dimensional modelling of a nitrogen dielectric barrier discharge (DBD) at atmospheric pressure: filament dynamics with the dielectric barrier on the cathode

A two-dimensional numerical model for the filamentary mode of a dielectric barrier discharge (DBD) is presented. Special attention is paid to the arrangement of electrodes with the dielectric on the cathode. The gas is nitrogen at atmospheric pressure and the discharge gap is equal to 1 mm. The mode...

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Published inJournal of physics. D, Applied physics Vol. 42; no. 10; p. 105201
Main Authors Papageorghiou, L, Panousis, E, Loiseau, J F, Spyrou, N, Held, B
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 21.05.2009
Institute of Physics
Subjects
Electric discharges
Exact sciences and technology
Other gas discharges
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Dielectric barrier discharge
Atmospheric pressure
Streamer
Nitrogen
Electric discharges
Capacitive discharge
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Summary:A two-dimensional numerical model for the filamentary mode of a dielectric barrier discharge (DBD) is presented. Special attention is paid to the arrangement of electrodes with the dielectric on the cathode. The gas is nitrogen at atmospheric pressure and the discharge gap is equal to 1 mm. The model shows that the discharge develops in two phases. There is first the formation and propagation of an ionizing wave across the discharge gap. Then, as a result of the interaction of the filament with the dielectric, a surface streamer is formed on the dielectric. The propagation of this surface streamer is correlated with the further charging of the dielectric and its characteristics are analysed thoroughly.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/42/10/105201