Effects of Blade Characteristics on Liquid Flow in a Three-Dimensional Impeller of a Centrifugal Pump

M. Djerroud, G. Dituba Ngoma, and W. Ghie (Canada)


Centrifugal Pump, Navier-Stokes, Computional Fluid Dynamics, Modeling and Simulation


This work deals with the numerical investigation of the effects that the blade design parameters, including blade number, outlet blade angle, and outlet blade height have on the steady state liquid flow in a three-dimensional impeller of a centrifugal pump. The continuity and Navier-Stokes equations with the k-ε turbulence model and the standard wall functions were used by mean of a CFX code. Three impeller models were examined with the blade number of five, seven and nine. The results achieved reveal that the considered key design parameters have an impact on the pump performances.

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