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To ensure the wave stability of the water intake facilities for Units 5 and 6 of the Sanmen Nuclear Power Project and to measure the wave dissipation characteristics of the combined pump house, a wave flow test was conducted in the harbor basin using a full-terrain simulation. This test established a 1:30 scale normal wave local physical model to analyze the wave and velocity distribution in each compartment of the pump house under various combinations of water levels, waves, and flows. The test results indicate that within the effective propagation length, the influence of wave reflection is significant in the compartments affected by wave radiation, forming stable standing waves and directly governing the wave height distribution in each compartment. Additionally, the steadying effect of the water flow on the waves is notable. When the tidal level drops, the water velocity inside the compartments increases to a range related to the position, and changes in the tidal level can alter the relative velocity distribution of different flow channels at specific locations.

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Physical Modeling of a Water Intake Tunnel of Sanmen Nuclear Power Station

  • 会议论文

  • 发表日期：

    2025年

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  • Minghui Jin,
  • Yuanzhe Zhi,
  • Yue Yang,
  • Wanwei Zhang,
  • Zhiwei Li,
  • Shichang Yan

摘要

To ensure the wave stability of the water intake facilities for Units 5 and 6 of the Sanmen Nuclear Power Project and to measure the wave dissipation characteristics of the combined pump house, a wave flow test was conducted in the harbor basin using a full-terrain simulation. This test established a 1:30 scale normal wave local physical model to analyze the wave and velocity distribution in each compartment of the pump house under various combinations of water levels, waves, and flows. The test results indicate that within the effective propagation length, the influence of wave reflection is significant in the compartments affected by wave radiation, forming stable standing waves and directly governing the wave height distribution in each compartment. Additionally, the steadying effect of the water flow on the waves is notable. When the tidal level drops, the water velocity inside the compartments increases to a range related to the position, and changes in the tidal level can alter the relative velocity distribution of different flow channels at specific locations.