Numerical Simulation and Experimental Analysis of Siphon Water Discharge Passage

被引：0

作者：

Zhang W. ^{[1
]}

Yuan Y. ^{[2
]}

Sun D. ^{[3
]}

Tang F. ^{[1
]}

Shi L. ^{[1
]}

Wang C. ^{[1
]}

Jiao H. ^{[1
]}

机构：

[1] College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou

[2] Jiangsu Institute of Water Resources Research, Nanjing

[3] Institute of Water Conservancy Works Design of Xuzhou, Xuzhou

来源：

Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2022年 / 30卷 / 02期

关键词：

Axial-flow pump; Experiment; Hydraulic loss; Numerical simulation; Pumpdevice; Siphon discharge passage;

D O I：

10.16058/j.issn.1005-0930.2022.02.004

中图分类号：

学科分类号：

摘要：

Based on a vertical axial-flow pump device, the hydraulic characteristics of siphon discharge passage were studied by combining numerical simulation and experiment. Firstly, according to the layout and preliminary size of the pump device, a special parameterization design software for siphon discharge passage was developed, greatly shortened the design cycle. Secondly, four forms of siphon discharge passage were designed and 8 vertical planes were inserted into the siphon discharge passage to analyze the internal flow pattern. Finally, the numerical simulation results were compared with the experimental results. Numerical simulation results show that the rising section of the siphon discharge passage is seriously affected by the impeller. There is a large range of tangential flow in the hump plane, it is unreasonable to evaluate the siphon discharge passage by the axial flow velocity distribution uniformity. In the falling section is easy to generate backflow and vortex, which is an important factor causing the difference of hydraulic loss in different schemes. Experimental results show that the numerical simulation results are reliable, the efficiency of the pump device is 78. 85%. This article can provide a reference for the design of parallel pump devices. © 2022, The Editorial Board of Journal of Basic Science and Engineering. All right reserved.

引用

页码：295 / 306

页数：11

共 26 条

[1] Liu Chao, Water pump and pumping station, (2009)
[2] Zhu Honggeng, Dai Longyang, Zhang Rentian, Et al., Development and numerical analysis of new-type shaft tubular pumping system, Journal of Drainage and Irrigation Machinery Engineering, 29, 5, pp. 418-422, (2011)
[3] Tang Fangping, Design and tureulenc numerical analysis of waterjet axial-flow pump, (2006)
[4] Cai Jinlai, Study on the numerical simulation of the influence of the outlet circulation of axial flow pump to the hydraulic loss of the outlet conduit, (2009)
[5] Liang Jindong, Lu Linguang, Chen Wei, Et al., Influence of flow velocity circulation at guide vane outlet of axial-flow pump on hydraulic loss in outlet conduit, Transactions of the Chinese Society of Agricultural Engineering, 28, 1, pp. 55-60, (2012)
[6] Dai Hongxia, Research on the Hydraulic Characteristics of the Siphon Outlet Conduit with long straight Conduit after the Roof, (2006)
[7] Lu Linguang, Gao Dongyan, Zhu Jie, Optimum hydraulic design of siphon outlet in large pumping stations, Transactions of the Chinese Society of Agricultural Machinery, 36, 4, pp. 60-63, (2005)
[8] Zhu Honggeng, Analysis on hydraulic performance of siphonic discharge passage of large scale pump station, China Water & Wastewater, 22, 6, pp. 54-57, (2006)
[9] Zhu Honggeng, Zhang Rentian, Zhou Jiren, Optimal hydraulic design of new-type shaft tubular pumping system, Processes of the 26th IAHR Symposium on Hydraulic Machinery and System, (2012)
[10] Li Yanjun, Yan Hongqin, Ge Qiang, Et al., Optimum hydraulic design for siphon outlet in large pumping stations, Drainage and Irrigation Machiner, 4, pp. 43-47, (2008)

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