Journal
THIN SOLID FILMS
Volume 515, Issue 9, Pages 4209-4216Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2006.02.100
Keywords
induction thermal plasma; numerical modeling; argon-hydrogen; non-equilibrium
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Modeling of induction thermal plasmas has been performed to investigate chemically non-equilibrium effect for dissociation and ionization. Computations were carried out for argon-hydrogen plasmas under atmospheric pressure. The thermo fluid and concentration fields were obtained by solving of two-dimensional modeling. This formulation was presented using higher-order approximation of the Chapman-Enskog method for the estimation of transport properties. A deviation from the equilibrium model indicates that argon-hydrogen induction plasmas should be treated as non-equilibrium for dissociation and ionization near the torch wall. (c) 2006 Elsevier B.V. All rights reserved.
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