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Influence of Intersection Forms of Pumping Station Outlet Pipes on Hydraulic Performance of Pipe
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Zi-chao ZHANG1, Yong ZHANG2, Chang-jing GAO2, Zhi-kai GAO1
Water Resources and Power | 2023, 41(2) : 125 - 127
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Water Resources and Power | 2023, 41(2): 125-127
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Influence of Intersection Forms of Pumping Station Outlet Pipes on Hydraulic Performance of Pipe
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Zi-chao ZHANG1, Yong ZHANG2, Chang-jing GAO2, Zhi-kai GAO1
Affiliations
  • 1.College of Energy and Power Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
  • 2.Jinan Hydraulic Engineering Service Centre, Jinan 250400, China
Published: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220780
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For the intersection problem of the outlet pipe shared by adjacent units of pumping station, three schemes for the intersection of the outlet pipe of the adjacent units was proposed based on the original scheme of the pump station. The influence of different intersection forms of the outlet pipe on the hydraulic performance of the pump station pipe was investigated with numerical simulation. The results show that the hydraulic losses of plan 2 and 3 were reduced by about 50% compared to the original plan. The flow field distribution before the junction point of the outlet pipes was improved obviously by the three optimization schemes. In the middle flow surface, the pressure and streamline distribution characteristics of plan 3 were better. Compared with the original scheme, plan 1 and plan 2 can improve the flow field of unit 2 and the vortex and secondary flow were reduced before the intersection point. After the intersection point, the flow field distribution of plan 2 was smoother and the hydraulic performance was better. Both the hydraulic performance of each scheme and construction were considered, plan 3 was finally determined as the optimal scheme.

pump station  /  outlet pipe  /  intersection form  /  hydraulic performance
Zi-chao ZHANG, Yong ZHANG, Chang-jing GAO, Zhi-kai GAO. Influence of Intersection Forms of Pumping Station Outlet Pipes on Hydraulic Performance of Pipe[J]. Water Resources and Power, 2023 , 41 (2) : 125 -127 . DOI: 10.20040/j.cnki.1000-7709.2023.20220780
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220780
  • Receive Date：2022-04-19
  • Online Date：2026-01-27
  • Published：2023-02-25
Article Data
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History
  • Received：2022-04-19
  • Revised：2022-05-11
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Affiliations
    1.College of Energy and Power Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
    2.Jinan Hydraulic Engineering Service Centre, Jinan 250400, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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