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Study on Bifurcation Flow Distribution Characteristics of Three-Branch River Channel
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Jie YANG1, Xin-yu WANG1, Shu-fang LI1, 2, 3, Shuai SHI1
Water Resources and Power | 2025, 43(9) : 60 - 64
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Water Resources and Power | 2025, 43(9): 60-64
Study on Bifurcation Flow Distribution Characteristics of Three-Branch River Channel
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Jie YANG1, Xin-yu WANG1, Shu-fang LI1, 2, 3, Shuai SHI1
Affiliations
  • 1.School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan 056038, China
  • 2.Key Laboratory of Intelligent Water Resources of Hebei Province, Handan 056038, China
  • 3.Hebei Water Resources and Hydropower Virtual Simulation Experiment Teaching Center, Handan 056038, China
Published: 2025-09-25 doi: 10.20040/j.cnki.1000-7709.2025.20241894
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In order to meet the flood discharge and irrigation requirements of tributary channels, it is of great practical significance to master the water flow diversion characteristics of the three-branch river channel. Based on numerical simulation and physical model experiments, the water level changes, velocity distribution, and flow allocation characteristics at the mouth of three tributaries river under different branching angles were studied. The results show that for a three-branch river channel, the larger the branching angle, the smaller the flow velocity in the tributary is, and the flow allocation in the variable angle side gradually decreases, while the flow allocation in the fixed angle side and the main branch gradually increases. Based on dimensional analysis, a three-branch river flow diversion ratio calculation formula was obtained considering the Froude number at each branch inlet. The formula was verified, and it was found that the prediction accuracy of the formula for the flow diversion ratio of the tributary channels in a three-branch river system was good.

three distributaries river channel  /  diversion characteristic  /  flow structure  /  numerical simulation
Jie YANG, Xin-yu WANG, Shu-fang LI, Shuai SHI. Study on Bifurcation Flow Distribution Characteristics of Three-Branch River Channel[J]. Water Resources and Power, 2025 , 43 (9) : 60 -64 . DOI: 10.20040/j.cnki.1000-7709.2025.20241894
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Article Info
doi: 10.20040/j.cnki.1000-7709.2025.20241894
  • Receive Date：2024-10-09
  • Online Date：2025-12-16
  • Published：2025-09-25
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History
  • Received：2024-10-09
  • Revised：2024-11-14
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Affiliations
    1.School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan 056038, China
    2.Key Laboratory of Intelligent Water Resources of Hebei Province, Handan 056038, China
    3.Hebei Water Resources and Hydropower Virtual Simulation Experiment Teaching Center, Handan 056038, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2025.20241894
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Citations
表12种不同金属材料的力学参数
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Number of
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Number of
species		 占总种数比例
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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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