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Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station
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Shun-wen ZHOU1, Yun-juan PU1, Deng-song LI2, Ke-chen YANG3
Water Resources and Power | 2023, 41(4) : 139 - 142
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Water Resources and Power | 2023, 41(4): 139-142
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station
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Shun-wen ZHOU1, Yun-juan PU1, Deng-song LI2, Ke-chen YANG3
Affiliations
  • 1.POWERCHINA Chengdu Engineering Corporation Limited, Chengdu 610072, China
  • 2.School of Automation, Chengdu University of Information Technology, Chengdu 610225, China
  • 3.College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
Published: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20212801
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As a diversion tunnel, the pressure distribution of the tunnel body, the top and the bottom of the tunnel is very important to avoid cavitation, vibration and other undesirable phenomena. Taking the diversion tunnel of Yebatan Hydropower Station as the research object, this paper simulated the pressure distribution of the diversion tunnel based on the physical model test, as well as the three-dimensional numerical model established by the RNG k-ε turbulence model and the VOF method. The reliability of the three-dimensional numerical simulation was verified by the experimental data. The results show that the main flow of the diversion tunnel, the pressure distribution of the tunnel body at the sudden change of hydraulic boundary such as the inlet chamber section, the turning section and the plug section, as well as the variation trend of the bottom and top pressure along the way were analyzed. The research results show that the pressure distribution along the bottom and top of the diversion tunnel shows a downward trend, but at the sudden change of hydraulic boundary such as the sluice chamber section, the plug section and the turning section, the pressure value will show a large fluctuation of rapid increase or decrease.

Yebatan Hydropower Station  /  diversion tunnel  /  pressure distribution  /  hydraulic boundary mutation
Shun-wen ZHOU, Yun-juan PU, Deng-song LI, Ke-chen YANG. Pressure Distribution Characteristics of Diversion Tunnel of Yebatan Hydropower Station[J]. Water Resources and Power, 2023 , 41 (4) : 139 -142 . DOI: 10.20040/j.cnki.1000-7709.2023.20212801
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20212801
  • Receive Date：2021-12-21
  • Online Date：2026-01-27
  • Published：2023-04-25
Article Data
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History
  • Received：2021-12-21
  • Revised：2022-07-18
Funding
Affiliations
    1.POWERCHINA Chengdu Engineering Corporation Limited, Chengdu 610072, China
    2.School of Automation, Chengdu University of Information Technology, Chengdu 610225, China
    3.College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20212801
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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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