الفهرس 
Numerical simulation of flow through radial impellers and evaluation of the slip factor
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Abstract
The present work reports a three-dimensional computational fluid dynamics (CFD) analysis of the flow through a centrifugal pump. The simulation is done using ANSYS/CFX commercial code. Results from the simulation are in good agreement with the pump performance curve particularly around the design point. Slip factor was calculated from the numerical results and compared with known mathematical models. The effect of adding splitters and increasing number of blades on slip factor, produced head and pump efficiency was studied. It was found that by increasing the number of blades or splitter length, the slip factor improved. However, the resulting hydraulic efficiency did not show a corresponding improvement due to the incurred hydraulic losse