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State-to-State Simulation of Nonequilibrium Nitrogen Stagnation-Line Flows: Fluid Dynamics and Vibrational Kinetics

Orsini, A ; Rini, P ; Taviani, V ; Fletcher, D ; Kustova, E. V ; Nagnibeda, E. A

Journal of thermophysics and heat transfer, 2008-07, Vol.22 (3), p.390-398 [Revista revisada por pares]

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Título:
State-to-State Simulation of Nonequilibrium Nitrogen Stagnation-Line Flows: Fluid Dynamics and Vibrational Kinetics
Autor: Orsini, A ; Rini, P ; Taviani, V ; Fletcher, D ; Kustova, E. V ; Nagnibeda, E. A
Es parte de: Journal of thermophysics and heat transfer, 2008-07, Vol.22 (3), p.390-398
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descripción: An advanced model of fluid dynamics and nonequilibrium vibrational-chemical kinetics in high-temperature viscous flows along the stagnation line is proposed. The present model takes into account detailed state-to-state kinetics and state-dependent transport properties. Fluid dynamics equations are self-consistently coupled to vibrational kinetics, and state-dependent transport terms are properly incorporated in the governing equations. As an example, vibrational kinetics, macroscopic flow parameters, and heat transfer in a N2/NN2/N mixture are calculated for different flow conditions. A comparison with thermal equilibrium and vibrational frozen flows is presented, showing the important role of detailed kinetics coupled to fluid dynamics. Several models of chemical and vibrational kinetics are assessed and a strong dependence of the flow parameters and surface heat flux on the chemical model is demonstrated. [PUBLISHER ABSTRACT]
Editor: Reston, VA: American Institute of Aeronautics and Astronautics
Idioma: Inglés;Ruso

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