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VORTEX SIMULATION IN RADIAL FLOW IMPELLERS OF CENTRIFUGAL PUMPS AT PART LOADS
International Conference on Aerospace Sciences and Aviation Technology
The phenomena of vortex formation in relative flow field of a radial flow centrifugal pump, running at zero and part loads of the pump discharge, has been investigated. The flow field is described by two dimensional Poisson's equation, which has been solved numerically, in difference form, by relaxation technique. A physical model for the vortex formation and shedding mechanisms, at part loads, has been introduced. The effect of vortex shedding, from the impeller, on the pressure fluctuation atdoi:10.21608/asat.1991.25674 fatcat:gyfa3hiocvbfnobctt44lwe65u