Parabolized Navier--Stokes code for hypersonic flows in thermo-chemical equilibrium or nonequilibrium

A parabolized Navier–Stokes (PNS) code has been developed to efficiently compute three-dimensional flows in thermo-chemical equilibrium or nonequilibrium. The new code is an extension of NASA’s three-dimensional upwind PNS (UPS) code. The chemical, vibrational, and electronic nonequilibrium effects...

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Veröffentlicht in:	Computers & fluids 1998-02, Vol.27 (2), p.199-215
Hauptverfasser:	Miller, J.H., Tannehill, J.C., Lawrence, S.L., Edwards, T.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressible flows shock and detonation phenomena Computational fluid dynamics Computational methods in fluid dynamics Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Navier Stokes equations Nonequilibrium gas dynamics Nozzles Physics Reactive, radiative, or nonequilibrium flows Supersonic and hypersonic flows Thermodynamic stability Vibrations (mechanical)
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Beschreibung
Zusammenfassung:	A parabolized Navier–Stokes (PNS) code has been developed to efficiently compute three-dimensional flows in thermo-chemical equilibrium or nonequilibrium. The new code is an extension of NASA’s three-dimensional upwind PNS (UPS) code. The chemical, vibrational, and electronic nonequilibrium effects have been incorporated via a loosely-coupled approach. The new code has been used to compute air flows in thermo-chemical equilibrium and nonequilibrium through expanding hypersonic nozzles. The results are in good agreement with existing numerical and experimental results.
ISSN:	0045-7930 1879-0747
DOI:	10.1016/S0045-7930(97)00037-6