Abstract
The pseudo direct numerical simulation, extended to boundary fit coordinate, has been carried out for fully-developed turbulent flow though triangular rod bundle, on the assumption of infinite array. The purpose of this work is to verify the method to be applied for rod bundle thermal hydraulic analysis. The turbulent Reynolds number, based on the friction velocity and the hydraulic equivalent diameter, is 600. The good results for the mean velocity profile, and the wall shear stress distribution are obtained.
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