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Aiming at the large-scale backflow problem in the forebay with large forward diffusion angle of the pumping station, based on the CFD software, the RNG κ-ε model was used to simulate the flow state of the forebay of a pumping station. The hydraulic characteristics of the forebay under the original scheme were analyzed. The rectification effect of the figure-eight-shaped diversion piers was explored. The results show that adding figure-eight diversion piers in the forebay could effectively eliminate the large-scale backflow on both sides. The backflow area of the plane flow field disappeared, and the uniformity of the axial flow velocity distribution of the side unit was improved by 11.03% and 11.32% compared with the original scheme. The research results can provide a reference for the rectification of the forward forebay pumping station.

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针对泵站正向大扩散角前池内存在的大尺度回流问题,基于CFD软件,采用RNG κ-ε模型模拟计算了某泵站前池流态,分析原方案下的前池水力特性,并探究了八字形导流墩的整流效果。结果表明,在前池内增设八字形导流墩能有效消除两侧的大尺度回流;沿流道隔墩方向布置两组八字形导流墩后,平面流场回流区消失,边机组轴向流速分布均匀度相较于原方案分别提升了11.03%、11.32%,前池进水条件得到极大改善,泵站入口流速分布更均匀。研究结果可为正向前池泵站整流提供参考。

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徐波(1984-),男,博士、副教授,研究方向为水工结构优化设计,E-mail:

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徐波(1984-),男,博士、副教授,研究方向为水工结构优化设计,E-mail:

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徐波(1984-),男,博士、副教授,研究方向为水工结构优化设计,E-mail:

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泵站正向大扩散角前池八字形导流墩整流研究
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徐波 1 , 吕和品 2 , 谭超 3 , 夏辉 3
水电能源科学 | 水利水电工程 2023,41(4): 127-130
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水电能源科学 | 水利水电工程 2023, 41(4): 127-130
泵站正向大扩散角前池八字形导流墩整流研究
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徐波1 , 吕和品2, 谭超3, 夏辉3
作者信息
  • 1.扬州大学水利科学与工程学院,江苏 扬州 225009
  • 2.南水北调东线江苏水源有限责任公司徐州分公司,江苏 徐州 221200
  • 3.江苏省水利勘测设计研究院有限公司,江苏 扬州 225127
  • 徐波(1984-),男,博士、副教授,研究方向为水工结构优化设计,E-mail:

Research on Rectification of Figure-eight Diversion Pier in Forward Forebay of Pumping Station with a Large Diffusion Angle
bo XU1 , He-pin LV2, Chao TAN3, Hui XIA3
Affiliations
  • 1.College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225009, China
  • 2.Xuzhou Branch of The Eastern Route of South-to-North Water Diversion Project Jiangsu Water Source Co., Ltd., Xuzhou 221200, China
  • 3.Jiangsu Surveying and Design Institute of Water Resources Co., Ltd., Yangzhou 225127, China
出版时间: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20221266
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针对泵站正向大扩散角前池内存在的大尺度回流问题,基于CFD软件,采用RNG κ-ε模型模拟计算了某泵站前池流态,分析原方案下的前池水力特性,并探究了八字形导流墩的整流效果。结果表明,在前池内增设八字形导流墩能有效消除两侧的大尺度回流;沿流道隔墩方向布置两组八字形导流墩后,平面流场回流区消失,边机组轴向流速分布均匀度相较于原方案分别提升了11.03%、11.32%,前池进水条件得到极大改善,泵站入口流速分布更均匀。研究结果可为正向前池泵站整流提供参考。

泵站前池  /  整流  /  导流墩  /  数值模拟

Aiming at the large-scale backflow problem in the forebay with large forward diffusion angle of the pumping station, based on the CFD software, the RNG κ-ε model was used to simulate the flow state of the forebay of a pumping station. The hydraulic characteristics of the forebay under the original scheme were analyzed. The rectification effect of the figure-eight-shaped diversion piers was explored. The results show that adding figure-eight diversion piers in the forebay could effectively eliminate the large-scale backflow on both sides. The backflow area of the plane flow field disappeared, and the uniformity of the axial flow velocity distribution of the side unit was improved by 11.03% and 11.32% compared with the original scheme. The research results can provide a reference for the rectification of the forward forebay pumping station.

forebay of pumping station  /  rectification  /  diversion pier  /  numerical simulation
徐波, 吕和品, 谭超, 夏辉. 泵站正向大扩散角前池八字形导流墩整流研究. 水电能源科学, 2023 , 41 (4) : 127 -130 . DOI: 10.20040/j.cnki.1000-7709.2023.20221266
bo XU, He-pin LV, Chao TAN, Hui XIA. Research on Rectification of Figure-eight Diversion Pier in Forward Forebay of Pumping Station with a Large Diffusion Angle[J]. Water Resources and Power, 2023 , 41 (4) : 127 -130 . DOI: 10.20040/j.cnki.1000-7709.2023.20221266
  • 国家自然科学基金项目(52079120; 51779215)
2023年第41卷第4期
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doi: 10.20040/j.cnki.1000-7709.2023.20221266
  • 接收时间:2022-06-18
  • 首发时间:2026-01-27
  • 出版时间:2023-04-25
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  • 收稿日期:2022-06-18
  • 修回日期:2022-07-12
基金
国家自然科学基金项目(52079120; 51779215)
作者信息
    1.扬州大学水利科学与工程学院,江苏 扬州 225009
    2.南水北调东线江苏水源有限责任公司徐州分公司,江苏 徐州 221200
    3.江苏省水利勘测设计研究院有限公司,江苏 扬州 225127
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2种不同金属材料的力学参数

Family
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种数
Number of
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Genus
种数
Number of
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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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