Two-temperature chemically-non-equilibrium modeling of argon induction plasmas with diatomic gas

Takayuki Watanabe, Masaya Shigeta, Nobuhiko Atsuchi

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


A non-equilibrium modeling of argon-oxygen and argon-hydrogen induction thermal plasmas was performed without thermal and chemical equilibrium assumptions. Reaction rates of dissociation and recombination of diatomic gas and ionization were taken into account with two-temperature modeling. A substantial deviation from LTE exists near the torch wall in argon-oxygen induction plasmas under atmospheric pressure, while small deviation in argon-hydrogen plasmas results from the large collision frequency between electrons and hydrogen atoms.

Original languageEnglish
Pages (from-to)4867-4876
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Issue number25-26
Publication statusPublished - 2006 Dec
Externally publishedYes


  • Argon-Hydrogen
  • Argon-Oxygen
  • Induction thermal plasma
  • Non-equilibrium
  • Numerical modeling
  • Two-temperature

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes


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