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Thermodynamic and Transport Properties for Inductive Plasma Modeling

Bottin, B. and Abeele, D.V. and Carbonaro, M. and Degrez, G. and Sarma, G.S.R. (1999) Thermodynamic and Transport Properties for Inductive Plasma Modeling. Journal of Thermophysics and Heat Transfer, 13 (3), pp. 343-350.

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Abstract

A review is given of models for the thermodynamic and transport properties of inductive plasmas under conditions of local thermodyanimc equilibrium. The thermodynamic properties of individual species are computed using a statistical mechanics formulation based upon the rigid rotator and harmonic oscillator model. Complex cut-off criteria for the electronic levels and anharmonicity corrections are not needed for practical equilibrium calculations. An efficient iterative technique is proposed for the calculation of the equilibrium mixture thermodynamics properties. Through a Schur-complement approach the number of unknowns in the nonlinear system, which determines the equilibrium chemical composition, may be reduced to the number of basic elements. The method is demonstrated for equilibrium air computations. The plasma transport properties are computed with the method of Chapman and Enskog. Accurate formulas for the heavy particle and electron transport properties are discussed. Through a straightforward argument the result of Butler and Brokaw for the reactive thermal conductivity is shown to be valied for ionized equilibrium mixtures. Computed results for the thermodynamic and transport properties of air are compared with numerical and experimental results of other researchers

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:Thermodynamic and Transport Properties for Inductive Plasma Modeling
Authors:
AuthorsInstitution or Email of Authors
Bottin, B.VKI
Abeele, D.V.VKI
Carbonaro, M.VKI
Degrez, G.VKI
Sarma, G.S.R.UNSPECIFIED
Date:1999
Journal or Publication Title:Journal of Thermophysics and Heat Transfer
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:13
Page Range:pp. 343-350
Status:Published
Keywords:CFD, Plasmatron, Reactive flow, Thermodynamic functions, Transport properties
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:40

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