Volume 16 Issue 3
Jul.  2001
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Article Navigation >  Journal of Aerospace Power  > 2001  >  16(3): 267-272
GU Hong-xia, ZHOU Li-Xing. A Non-Linear k-ε-kp Two-Phase Turbulence Model[J]. Journal of Aerospace Power, 2001, 16(3): 267-272.
Citation: GU Hong-xia, ZHOU Li-Xing. A Non-Linear k-ε-kp Two-Phase Turbulence Model[J]. Journal of Aerospace Power, 2001, 16(3): 267-272.
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A Non-Linear k-ε-kp Two-Phase Turbulence Model

  • Department of Engineering Mechanics, Tsinghua University, Beijing100084, China

  • Received Date: 2000-08-22
  • Rev Recd Date: 2000-12-10
  • Publish Date: 2001-07-28
    Abstract
  • A nonlinear k-ε-kp two phase turbulence model is proposed for simulating anisotropic turbulent two phase flows,such as swirling and buoyant flows.Non linear relationships of two phase stresses and two phase fluctuation velocity correlations with the strain rates are derived based on the two phase algebraic Reynolds stress expressions.The nonlinear k-ε-kp model is applied to simulating two phase sudden expansion flows and the results are compared with those obtained from the second order moment model,linear k-ε-kp model and experimental data.It is shown that the nonlinear k-ε-kp model is almost as good as the second order moment model but with much less computation time,and is obviously better than the linear k-ε-kp model in simulating anisotropic two phase turbulence.

     

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