Massinissa Djerroud, Guyh Dituba Ngoma, and Walid Ghie
Centrifugal Pump, Turbulence Model, Computational Fluid Dynamics, Modeling and Simulation
This work deals with the numerical investigation of the effects that the pertinent design parameters of a centrifugal pump have on the steady state liquid flow in a three-dimensional centrifugal pump. Two cases were considered for this study: impeller, and combined impeller and diffuser. The continuity and Navier-Stokes equations with the k-e turbulence model and the standard wall functions were used by mean of ANSYS-CFX code. The results achieved reveal that the selected key design parameters have an impact on the centrifugal pump performance describing by the pump head, the brake horsepower and the overall efficiency. To valid the developed approach, the results of numerical simulation were compared with the experimental results considering the case of combined impeller and diffuser.
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