Analysis of thermochemical nonequilibrium models for carbon dioxide flows

Stacey G. Rock, Graham V. Candler, Hans G. Hornung

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The aerothermodynamics of thermochemical nonequilibrium carbon dioxide flows are studied. The chemical kinetics models of McKenzie and Park are implemented in a three-dimensional computational fluid dynamics code. The code incorporates a five-species gas model characterized by translational-rotational and vibrational temperatures. Solutions are obtained for flow over finite-length elliptical and circular cylinders for a freestream condition of u= 4.24 km/s, T= 1970 K, and hθ∞ = 9.0 MJ/kg. The computed flowfields are then employed to calculate Mach-Zehnder interferograms for comparison with experimental data. The accuracy of the chemical kinetics models is determined through this comparison. Also, the methodology of the three-dimensional thermochemical nonequilibrium code is verified by the reproduction of the experiments.

Original languageEnglish (US)
Pages (from-to)2255-2262
Number of pages8
JournalAIAA journal
Volume31
Issue number12
DOIs
StatePublished - Dec 1993

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