Filamentation of diffuse He - H2O atmospheric pressure glow discharges in a metal pin-water electrode geometry

James L. Walsh, Peter Bruggeman

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The filamentation of a microsecond pulsed He- H2 O glow discharge generated in a metal pin-water surface configuration is studied by fast imaging and current-voltage measurements. The instability leading to the constriction of the glow discharge starts from the metal electrode independent of the polarity. The dynamics of the constricted channel share similarities with plasma bullets and streamers, but the timescales are typically an order of magnitude slower due to the space charge of the glow discharge.

Original languageEnglish (US)
Article number5871338
Pages (from-to)2634-2635
Number of pages2
JournalIEEE Transactions on Plasma Science
Volume39
Issue number11 PART 1
DOIs
StatePublished - Nov 1 2011

Keywords

  • Atmospheric pressure glow discharges
  • plasma bullets
  • plasma jets
  • plasma liquid interaction

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