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A New Turbulence Model: The k-?-S Model

by Jian Ye, Nanjing Hydraulic Research Inst, China,
Guoren Dou, Nanjing Hydraulic Research Inst, China,



Document Type: Proceeding Paper

Part of: Sediment Transport Modeling

Abstract:

A new turbulence model, the k-?-S( turbulent kinetic energy-dissipation-Stochastic theory) model, is presented. Instead of the Boussinesq eddy viscosity concept in the k-? -E( turbulent kinetic energy-dissipation-Eddy viscosity) model, the turbulent stochastic theory developed by D. Guoren is used in the K-? -S model. The wall functions which are appropriate to the K-? -S model are deduced. Numerical results of 2-D examples show that the k-? -S model is successful.

Subject Headings: Mathematical models | Turbulence | Energy dissipation | Viscosity | Stochastic processes | Kinetics | Walls

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