A numerical comparison of a conventional pump in pump and pump as turbine (PAT) mode is presented. The numerical simulation is carried out with ANSYS CFX software by means of steady state analysis. Through CFD analysis, the relationship of two modes’ performance characteristics, volumetric efficiency, axial thrust and flow field distribution and etc. were acquired. The possible direction for optimization of PAT is clear according to the PAT flow field distribution.

Volume Subject Area:
3rd Joint US-European Fluids Engineering Summer Meeting
Keywords:
CFD, pump, pump as turbine, comparison, flow field distribution
Topics:
Computational fluid dynamics, Computer simulation, Flow (Dynamics), Pumps, Turbines
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