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Performance analyses of mixed-flow pumping systems for S-to-N water diversion project in China

Rentian Zhang 1, 2, 3 ,
1 College of Mechanical & Electronics Engineering, Hohai University, Changzhou 213022, China
2 School of Hydraulic, Energy and Power Engineering, Yangzhou University, Yangzhou 225009, China
3 Jiangsu Surveying and Design Institute of Water Resources Co., Ltd., Yangzhou 225127, China
4 Eastern Route of S-to-N Water Diversion Project, Jiangsu Water Supply Co., Ltd., Nanjing 210029, China

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 23 February 2015



There are three pumping stations in the first stage of Eastern Route S-to-N Water Diversion Project in China, where the mixed-flow pumps with guide vanes are installed, consisting of Baoying, Hongze and the No. 2 Suining pumping stations. By using flow rate coefficient and head coefficient as expression, firstly the hydraulic performances of the hydro models used are analyzed. Secondly the structural features and system performances are compared. And finally the measurement results in site are comprehensively evaluated. The results show that the pump models both introduced abroad and developed at home and the pumping system types adopted in the three pumping stations have been confirmed satisfying the requirements of operational conditions and high efficiency, stable and safety operation in all working conditions can be ensured.



Zhang, R., Li, L., Zhu, H., Yao, L. and Shi, W. (2015), "Performance analyses of mixed-flow pumping systems for S-to-N water diversion project in China", World Journal of Engineering, Vol. 11 No. 6, pp. 627-634.



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