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Numerical Simulation of Hydraulic Characteristics of Different Side Vertical Seam Fishway
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Yang LI1, Lei HAN1, Zhen-hua TIAN1, Gao-jian DI1, Shu-hang LI1, Kun-he YE2
Water Resources and Power | 2023, 41(3) : 103 - 107
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Water Resources and Power | 2023, 41(3): 103-107
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Numerical Simulation of Hydraulic Characteristics of Different Side Vertical Seam Fishway
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Yang LI1, Lei HAN1, Zhen-hua TIAN1, Gao-jian DI1, Shu-hang LI1, Kun-he YE2
Affiliations
  • 1.Heilongjiang Province Hydraulic Research Institute, Harbin 100050, China
  • 2.School of Water Conservancy and Electric Power, Heilongjiang University, Harbin 150080, China
Published: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220885
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Vertical seam fishway has gradually attracted the attention of hydraulic engineering field because it can adapt to large amplitude water level, obvious energy dissipation effect and stable flow pattern. In this paper, the influence of the length width ratio of the pond on the hydraulic characteristics of the opposite side vertical slit fishway was studied by numerical simulation. The results show that the change of the length width ratio of the pond has little impact on the dissipation rate per unit volume; The attenuation along the main flow area first increases with the increase of the length width ratio of the pond, and then remains unchanged. The larger the length width ratio of the chamber is, the closer the maximum velocity in the chamber is to the vertical joint; The ratio of the main flow velocity to the maximum flow velocity (the maximum variation of the main flow velocity along the way) is within a certain range. The length width ratio of the pond is between 1.00-1.13, which can obtain better water flow pattern, larger reflux area and better water quality in the mainstream area of the fishway.

aspect ratio of pond chamber  /  opposite side type  /  vertical seam fishway  /  hydraulic characteristics
Yang LI, Lei HAN, Zhen-hua TIAN, Gao-jian DI, Shu-hang LI, Kun-he YE. Numerical Simulation of Hydraulic Characteristics of Different Side Vertical Seam Fishway[J]. Water Resources and Power, 2023 , 41 (3) : 103 -107 . DOI: 10.20040/j.cnki.1000-7709.2023.20220885
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220885
  • Receive Date：2022-04-30
  • Online Date：2026-01-28
  • Published：2023-03-25
Article Data
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History
  • Received：2022-04-30
  • Revised：2022-06-06
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Affiliations
    1.Heilongjiang Province Hydraulic Research Institute, Harbin 100050, China
    2.School of Water Conservancy and Electric Power, Heilongjiang University, Harbin 150080, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20220885
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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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