Abstract
Positive displacement pumps have a wide range of usage due to its compact size and efficiency as well. Vane pump is a positive displacement pump with many applications such as keeping the oil supply of the engines in the automotive and the fuel pumping in aviation industries. Pump testing is a direct technique to know its performance; however, it costs a lot to see the behavior of the fluid during the pump operation experimentally. Computational fluid dynamics (CFD) programs were developed to be another method in pump optimization as a result of its low cost and high speed. In this chapter, a validation process for a four-vane unbalanced pump model will be conducted, by comparing the results of the numerical model with the experimental results. The three-dimensional model was built up and simulated using ANSYS (Fluent). An experiment was held on a four-vane pump test rig, at the Mechanical Power Department of Ain Shams University. The results of the simulated model have been compared with the pump experimental results and gave a good agreement, with a maximum deviation of <6% in the flow rate.
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