A New Turbulence Model: The k-ϵ-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


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

Subject Headings: Two-dimensional models | Turbulence | Viscosity | Numerical models | Mathematical models | Boussinesq equations | Turbulent flow | Water flow

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