Effects of Chemical Reaction Models on Simulations of Scramjet Nozzle Flow

Xiao Yuan Zhang; Li Zi Qin; Yu Liu

doi:10.4028/www.scientific.net/AMM.490-491.931

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 490-491Effects of Chemical Reaction Models on Simulations...

Effects of Chemical Reaction Models on Simulations of Scramjet Nozzle Flow

Abstract:

The chemical non-equilibrium flow of supersonic combustion ramjet (scramjet) nozzle is numerical simulated with different chemical kinetic models to research the effects on numerical results of the nozzle performance. The numerical results show that total temperature is increased due to the recombination of dissociation compositions and the combustion of the residual fuel. The effect of the combustion of the residual fuel is more obvious in this paper, and the effect to the performance of the nozzle is noticeable. The species of the compositions in the models influence the quantity of heat sending out when it get equilibrium, so the 9-species chemical kinetic models are more suitable in the simulation of the scramjet nozzle chemical non-equilibrium flows.

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Periodical:

Applied Mechanics and Materials (Volumes 490-491)

Pages:

931-935

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.490-491.931

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Online since:

January 2014

Authors:

Xiao Yuan Zhang*, Li Zi Qin, Yu Liu

Keywords:

Chemical Non-Equilibrium, Nozzle, Nozzle Performance, Scramjet

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* - Corresponding Author

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