Computational Fluid Dynamic Analysis of Centrifugal Pump

Abstract

Present work deals with the pattern of velocity profile and pressure distribution using CFD simulation and later on the 3D design and modelling of the centrifugal pump were done on CATIA V5. Basic idea of analysis is to study the variation of the pressure head by varying the direction of inlet velocity and by fixing the inlet velocity, outlet pressure and angular velocity of Impeller. The calculations were done in CFD post processor by selecting desired number of time steps and iterations. The pressure head variations can easily be observed in contours generated in Fluent results modular. The standard k-epsilon turbulence model was chosen for turbulence model and by selecting the working fluid as water the simulation was carried out. From the simulation results it was observed that the pressure increases gradually from impeller inlet to outlet, the velocity increases from impeller inlet until it enters the volute casing and it drops to a minimum value at outlet region