Abstract
Vane pumps have several applications in the automotive and aviation industries. Many factors affect pump performance. So, modifying the pump design plays an important role in pump performance and efficiency. Computational fluid dynamics (CFD) techniques became an adequate tool to design and optimize the pump as they can save time and cost. In this chapter, a parametric study for an unbalanced vane pump model will be shown, by studying the effect of two parameters which are the model vanes number and the gap height between the vane tip and the pump casing. A three-dimensional model was built and simulated using ANSYS (Fluent). The shear stress transport (SST) k – ω turbulence model was used in all simulations. Three different gap heights and three different vanes number models were simulated. The model with gap height of 0.1 mm gave the best flow rate and output power. Moreover, three models with four, six, and eight rotor vanes were modeled. The characteristic map was determined, and the eight-vane model gave the best output flow rate.
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