2012•Applied Mechanics and MaterialsOpen access

The Influence of Speed on the Performance of Centrifugal Pump

Hui Min Zhang, Guang Ji Li, Dong Mei Peng

Abstract

Centrifugal pump is widely used in plants as well as in common life. In many conditions, the centrifugal pumps do not operate in their optimal points for various reasons. In order to increase the efficiency, it is often used that the centrifugal pump rotates in different speed. In this paper, the 3D software UG is used to establish the model of pump. The simulation software FLUENT is used to analysis the flow field and pressure in the impeller. The numerical simulation shows that when the speed changed the flow field is similar in the impeller. The performance get from numerical simulation is compared with standard curve.

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Available abstract

Key concepts: Impeller, Centrifugal pump, Rotodynamic pump, Fluent, Mechanical engineering, Slip factor, Engineering, Flow (mathematics)