Ignition of propane-air mixtures by a repetitively pulsed nanosecond discharge

Sergey V. Pancheshnyi*, Deanna A. Lacoste, Anne Bourdon, Christophe O. Laux

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

224 Scopus citations

Abstract

Results of an experimental study of the efficiency of the ignition of propane-air mixtures by a high voltage repetitively pulsed nanosecond gas discharge (10 kV, 10 ns, 30 kHz) are presented for the pressure range 0.35-2.0 bar. The measured minimal energy for ignition is found to decrease with the pressure. A significant reduction of the ignition delay and a decrease of the overall combustion duration were obtained by using a train of high-voltage pulses. Spectroscopic measurements in a 1-bar air just after a 10-pulse train (300 μs) of about 10 mJ in total energy show the presence of N, N+, O, and O+ atomic species and a gas temperature increase up to 3000 K.

Original languageEnglish (US)
Pages (from-to)2478-2487
Number of pages10
JournalIEEE Transactions on Plasma Science
Volume34
Issue number6
DOIs
StatePublished - Dec 2006
Externally publishedYes

Keywords

  • Nanosecond plasma
  • Plasma-assisted ignition
  • Propane-air mixture inflammation
  • Repetitively pulsed nanosecond discharge

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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