Abstract
Man-made pools are designed as part of river restoration projects to understand the influence of pool geometry on the hydraulic parameters. Shear stress is one of key parameters in river engineering projects. The objectives of this study are to apply double-averaged Navier–Stokes equations to investigate the effect of pool geometry on distribution of shear stress and to estimate friction factor in different parts of the pools. The results show that although the form-induced stresses are of the same order of magnitude as Reynolds stresses in the streamwise direction, their distributions depend on the pool geometry, especially at the large slope angles. The pool geometry plays a significant role on the friction factor estimation in large slope angles due to higher turbulence and flow separation.
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