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Volume 24 Issue 3
Mar.  1998
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Journal of Beijing University of Aeronautics and Astronautics  > 1998  >  24(3): 369-372.
Xu Xu, Zhang Zhenpeng. Numerical Simulation of Gas Mixing in Cross-flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(3): 369-372. (in Chinese)
Citation: Xu Xu, Zhang Zhenpeng. Numerical Simulation of Gas Mixing in Cross-flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(3): 369-372. (in Chinese)
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Numerical Simulation of Gas Mixing in Cross-flow

  • Beijing University of Aeronautics and Astronautics,School of Astronautics

  • Received Date: 24 Jan 1997
  • Publish Date: 31 Mar 1998
    Abstract
  • A time-split explicit TVD MacCormack algorithm is used to solve the two-dimensional N-S equations coupled with species diffusion equations.Both molecular and turbulent properties of viscosity,thermal conductivity and mass conductivity are calculated.In order to deal with the near wall separation of boundary layer,the low Reynolds number ｋ-ε turbulence model of Lam and Bremhorst is used in this procedure.A sample of plane cross-flow is used to test the reliability and accuracy of this method and the results show that this scheme can be applied to solve the problem of supersonic flow fields with gas mixing,the solutions are satisfactory.

     

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    • References(1)
  • 1. Grasso F,Magi V.Simulation of gas transverse injection in turbulent supersonic air flows.AIAA Paper 93-2925,1993 2. Robert C B,The properties of gases and liquids.New York:McGraw-Hill Book Company,1977.411,508,549 3. Sanford G,Bonnie J M.Computer programs for calculation of complex chemical equilibrium compositions,rocket performance,incident and reflected shocks and chapmanjouguet detonation NASA-SP-273,1971 4. Lam C K G,Bremhorst K A.Modified form of the ｋ-ε model for predicting wall turbulence.Journal of Fluids Engineering,1981,103:456~460 5.徐旭,张振鹏.用TVD方法模拟喷管内的横流流动.推进技术,1997,18(5):53~56
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