Effect of plasma chemistry on the simulation of helium atmospheric-pressure plasmas

Y. M. Chiu, C. T. Hung, F. N. Hwang, M. H. Chiang, Jong-Shinn Wu*, S. H. Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The effect on the selection of different plasma chemistries for simulating a typical dielectric barrier discharge (DBD) driven by quasi-pulsed power source (20 kHz) is investigated. The numerical simulation was performed by using the one-dimensional self-consistent fluid modeling solver. Our simulation result indicates that the computed temporal current density can be significantly improved by using a complex version of plasma chemistry module rather than the simple one and demonstrates an excellent agreement with the experimental data. The result suggests the metastable, excited and ionic helium related reaction channels, which are important in simulating a DBD, should be taken into account. Furthermore, it also reveals that the power absorption of ions is considerably higher than that of the electron.

Original languageEnglish
Pages (from-to)167-169
Number of pages3
JournalComputer Physics Communications
Volume182
Issue number1
DOIs
StatePublished - 1 Jan 2011

Keywords

  • Atmospheric-pressure plasma
  • Helium
  • One-dimensional fluid modeling
  • Quasi-pulsed
  • Radio frequency

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