Abstract
The paper presents a dynamic SGS model of Two Way Coupling for Large Eddy Simulation of particle-laden turbulent flow, which based on Yuu's model (1997). The advantage of this new model is that the coefficient of proposed SGS model can be decided by Germano's (1991) dynamic procedure. Then, the numerical simulation was performed with Van Driest wall function model and the present dynamic SGS model, for downward particle laden turbulent flows at Re=644 in a vertical channel that was experimentally investigated by Kulick (1994). The present dynamic SGS model has been verified through comparison of statistical properties of particle-laden turbulent flow. In addition, the effect of SGS component coupling on the turbulence modification has been investigated.
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