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Tidal Current Energy Assessment and Exploitation Recommendations for Semi-Enclosed Bay Straits: A Case Study on the Bohai Strait, China.

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Title: Tidal Current Energy Assessment and Exploitation Recommendations for Semi-Enclosed Bay Straits: A Case Study on the Bohai Strait, China.
Authors: Song, Yuze1,2,3 (AUTHOR) songyuze212@163.com, Ma, Pengcheng2,4 (AUTHOR), Li, Zikang3,4 (AUTHOR), Zhai, Yilin4 (AUTHOR), Li, Dan1,2 (AUTHOR), Shi, Hongyuan2,4 (AUTHOR), Li, Chao1,2,3 (AUTHOR)
Source: Energies (19961073). Jul2025, Vol. 18 Issue 14, p3787. 19p.
Subjects: Tidal power, Renewable energy sources, Computer simulation, Hydrodynamics, Ocean energy resources
Geographic Terms: Bo Hai (China), China
Abstract: Against the backdrop of increasingly depleted global non-renewable resources, research on renewable energy has become urgently critical. As a significant marine clean energy source, tidal current energy has attracted growing scholarly interest, effectively addressing global energy shortages and fossil fuel pollution. Semi-enclosed bay straits, with their geographically advantageous topography, offer substantial potential for tidal energy exploitation. China's Bohai Strait exemplifies such a geomorphological feature. This study focuses on the Bohai Strait, employing the Delft3D model to establish a three-dimensional numerical simulation of tidal currents in the region. Combined with the Flux tidal energy assessment method, the tidal energy resources are evaluated, and exploitation recommendations are proposed. The results demonstrate that the Laotieshan Channel, particularly its northern section, contains the most abundant tidal energy reserves in the Bohai Strait. The Laotieshan Channel has an average power flux density of 50.83 W/m2, with a tidal energy potential of approximately 81,266.5 kW, of which about 12,189.97 kW is technically exploitable. Particularly in its northern section, favorable flow conditions exist—peak current speeds can reach 2 m/s, and the area offers substantial effective power generation hours. Annual durations with flow velocities exceeding 0.5 m/s total around 4500 h, making this zone highly suitable for deploying tidal turbines. To maximize the utilization of tidal energy resources, installation within the upper 20 m of the water layer is recommended. This study not only advances tidal energy research in semi-enclosed bay straits but also provides a critical reference for future studies, while establishing a foundational framework for practical tidal energy development in the Bohai Strait region. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Tidal Current Energy Assessment and Exploitation Recommendations for Semi-Enclosed Bay Straits: A Case Study on the Bohai Strait, China.
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  Data: <searchLink fieldCode="DE" term="%22Tidal+power%22">Tidal power</searchLink><br /><searchLink fieldCode="DE" term="%22Renewable+energy+sources%22">Renewable energy sources</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean+energy+resources%22">Ocean energy resources</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Against the backdrop of increasingly depleted global non-renewable resources, research on renewable energy has become urgently critical. As a significant marine clean energy source, tidal current energy has attracted growing scholarly interest, effectively addressing global energy shortages and fossil fuel pollution. Semi-enclosed bay straits, with their geographically advantageous topography, offer substantial potential for tidal energy exploitation. China's Bohai Strait exemplifies such a geomorphological feature. This study focuses on the Bohai Strait, employing the Delft3D model to establish a three-dimensional numerical simulation of tidal currents in the region. Combined with the Flux tidal energy assessment method, the tidal energy resources are evaluated, and exploitation recommendations are proposed. The results demonstrate that the Laotieshan Channel, particularly its northern section, contains the most abundant tidal energy reserves in the Bohai Strait. The Laotieshan Channel has an average power flux density of 50.83 W/m2, with a tidal energy potential of approximately 81,266.5 kW, of which about 12,189.97 kW is technically exploitable. Particularly in its northern section, favorable flow conditions exist—peak current speeds can reach 2 m/s, and the area offers substantial effective power generation hours. Annual durations with flow velocities exceeding 0.5 m/s total around 4500 h, making this zone highly suitable for deploying tidal turbines. To maximize the utilization of tidal energy resources, installation within the upper 20 m of the water layer is recommended. This study not only advances tidal energy research in semi-enclosed bay straits but also provides a critical reference for future studies, while establishing a foundational framework for practical tidal energy development in the Bohai Strait region. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/en18143787
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        Text: English
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        PageCount: 19
        StartPage: 3787
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      – SubjectFull: Tidal power
        Type: general
      – SubjectFull: Renewable energy sources
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Hydrodynamics
        Type: general
      – SubjectFull: Ocean energy resources
        Type: general
      – SubjectFull: Bo Hai (China)
        Type: general
      – SubjectFull: China
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      – TitleFull: Tidal Current Energy Assessment and Exploitation Recommendations for Semi-Enclosed Bay Straits: A Case Study on the Bohai Strait, China.
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            NameFull: Song, Yuze
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              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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