Composition and thermodynamic properties of thermal plasma up to 50 kK

The initial relations and the description of a method for calculating the composition and thermodynamic properties of a closed gaseous system in thermodynamic equilibrium at constant pressure and temperature are given. The essence of the method consists in the minimization of the Gibbs energy of a s...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2007-06, Vol.40 (11), p.3371-3385
Main Author: Coufal, O
Format: Article
Language:English
Subjects:
Exact sciences and technology
Ionization of plasmas
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma properties
Thermodynamics of plasmas
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Summary:The initial relations and the description of a method for calculating the composition and thermodynamic properties of a closed gaseous system in thermodynamic equilibrium at constant pressure and temperature are given. The essence of the method consists in the minimization of the Gibbs energy of a system in ideal state. The calculation algorithm is implemented by the Tmdgas program in the C++ language. This program is part of the database system TheCoufal, available to interested parties at http://www.feec.vutbr.cz/~coufal/. The method described was used to calculate the thermodynamic properties of a system of products of the dissociation and ionization of H2O. The results have been tabulated for pressures of 1, 5 and 20 bar at temperatures ranging from ambient temperature to 50 kK.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/40/11/018