 1  Author
 Michio Nishida, Masashi Matsumoto  Requires cookie*   Title
 Thermochemical Nonequilibrium in Rapidly Expanding Flows of HighTemperature Air    Abstract
 • This paper describes a computational study of the thermal and chemical nonequilibrium occuring in a rapidly expanding flow of hightemperature air transported as a free jet from an orifice into lowdensity stationary air. Translational, rotational, vibrational and electron temperatures are treated separately, and in particular the vibrational temperatures are individually treated; a multivibrational temperature model is adopted. The governing equations are axisymmetric NavierStokes equations coupled with species vibrational energy, electron energy and species mass conservation equations. These equations are numerically solved, using the second order upwind TVD scheme of the HartenYee type. The calculations were carried out for two different orifice temperatures and also two different orifice diameters to investigate the effects of such parameters on the structure of a nonequilibrium free jet.   
Reference
 Z. Naturforsch. 52a, 358—368 (1997); received June 26 1996   
Published
 1997   
Keywords
 Thermal Nonequilibrium, Chemical Nonequilibrium, High Temperature Air, Free Jet, Computational Fluid Dynamics   
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