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Hydrodynamic Characteristics Test of Fish Channel Under Condition of Fish Inlet Water Level Variation
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Zhi-wen HUANG1, Rui MENG2, Su-fen ZHOU1, Zhi-xiong LIU3, Zhi-chao WANG1
Water Resources and Power | 2023, 41(11) : 108 - 110
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Water Resources and Power | 2023, 41(11): 108-110
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Hydrodynamic Characteristics Test of Fish Channel Under Condition of Fish Inlet Water Level Variation
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Zhi-wen HUANG1, Rui MENG2, Su-fen ZHOU1, Zhi-xiong LIU3, Zhi-chao WANG1
Affiliations
  • 1.Poyang Lake Basin Ecological Water Conservancy Technology Innovation Center, Jiangxi Province Institute of Water Conservancy and Science, Nanchang 330029, China
  • 2.Jiangxi Ganfu River Renovation Co., LTD., Nanchang 330009, China
  • 3.Changjiang River Scientific Research Institute of Changjiang Water Resources Commission, Wuhan 430010, China
Published: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20230291
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The change of hydrological situation and the operation scheduling of the downstream of the hub make the water level at the inlet and outlet of the fish channel change at all time, and the fish channel is running improperly. The insufficient inlet water depth will cause water drop and hinder the backtracking of fish. The integrated model was used to analyze the hydraulic characteristics under different water level combinations at the inlet and outlet of the fishing channel. The results show that the hydrodynamic changes of the fish tunnel tank chamber are mainly concentrated in the pool chamber near the inlet, and the greater the influence is closer to the downstream. When the inlet water level decreases, the water drops at the inlet and it is difficult for fish to trace; When the inlet water level rises, the inlet velocity slows down rapidly. In view of the design inlet flow velocity is 0.60 m/s-1.00 m/s, the maximum drop between the outlet of the fish channel and the inlet water depth is recommended to be controlled at 1.00 m. At the same time, appropriate water replenishment measures should be taken according to the water depth of the inlet to form effective lure flow rate at the inlet, and there is a good linear relationship between the supplementary water flow and the inlet water depth.

vertical slot fishway  /  integrated model  /  hydraulic characteristics  /  water level amplitude
Zhi-wen HUANG, Rui MENG, Su-fen ZHOU, Zhi-xiong LIU, Zhi-chao WANG. Hydrodynamic Characteristics Test of Fish Channel Under Condition of Fish Inlet Water Level Variation[J]. Water Resources and Power, 2023 , 41 (11) : 108 -110 . DOI: 10.20040/j.cnki.1000-7709.2023.20230291
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230291
  • Receive Date：2023-03-01
  • Online Date：2026-01-27
  • Published：2023-11-25
Article Data
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History
  • Received：2023-03-01
  • Revised：2023-04-20
Funding
Affiliations
    1.Poyang Lake Basin Ecological Water Conservancy Technology Innovation Center, Jiangxi Province Institute of Water Conservancy and Science, Nanchang 330029, China
    2.Jiangxi Ganfu River Renovation Co., LTD., Nanchang 330009, China
    3.Changjiang River Scientific Research Institute of Changjiang Water Resources Commission, Wuhan 430010, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20230291
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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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