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Numerical Studies On Predicting Velocity Fields Of Upstream Channel That Combined With Head Pond Used In Mechanical Wastewater Treatment Plant

   Şahin, Nagehan; Şibil, Rahim

In this study, head pond, made to stabilize water level in the Wastewater Treatment Plant (WWTP) and upstream channel of screens that is maintain velocities in design criteria at mechanical treatment plant have been analyzed in terms of hydraulic and hydrodynamics by using Computational Fluid Dynamics (CFD). CFD simulations are carried out with the CFD software Ansys Fluent with the three-dimensional (3D), steady, incompressible flow based on the Reynolds-Average Navier-Stokes equations for flow field calculations in the combined intake-head pond-upstream channel system. Also, the standard K-Epsilon (ske) model was chosen as a turbulence model. The numerical studies results showed that there was no homogeneous flow field distribution in upstream channel. It can also be noted that the upstream channel does not meet the desired velocity values for screening.

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