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Abstract
This paper introduces the current research situation of pump efficiency, especially in pumping low viscosity fluids. Then we propose a simple and widely used efficiency model for the pump which just depends on the suction, discharge and leakage resistance coefficient. An experimental test rig is setup. After evaluating the efficiency of the pump in different conditions, it is found that the performance is quite different when pumping different medium. A phenomenon has been observed which results of the appearance of the BEP (best efficiency point), and our efficiency model can explain these testing phenomena very well.
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Details
1 South China University of Technology, Guangzhou, 510640, China
2 Purdue University, West Lafayette, Indiana, 47907, USA