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Numerical Study on Wave Dissipation Performance of OWC-Perforated Floating Breakwater under Irregular Waves

Author

Listed:
  • Yanna Zheng

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China
    Key Laboratory of Environment Controlled Aquaculture, Dalian Ocean University, Ministry of Education, Dalian 116023, China)

  • Jiafan Li

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China
    Sichuan Rural Water Conservancy Center, Chengdu 610031, China)

  • Yingna Mu

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China
    Key Laboratory of Environment Controlled Aquaculture, Dalian Ocean University, Ministry of Education, Dalian 116023, China)

  • Yu Zhang

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China
    School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China)

  • Siyao Huang

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China)

  • Xiran Shao

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China)

Abstract

This paper utilizes ANSYS-AQWA hydrodynamic simulation analysis software (2022 R2) to investigate the wave dissipation performance of an Oscillating Water Column (OWC) perforated floating breakwater under irregular wave conditions. The study examines the effect of spacing, width of the OWC opening, water depth, incident wave angle, and significant wave height on the wave dissipation performance of the floating breakwater. The results indicate that the wave dissipation performance of the OWC-perforated floating breakwater surpasses that of similar structures. The transmission coefficient is significantly influenced by spacing and water depth when subjected to irregular waves. The width of the OWC opening also affects the wave dissipation to some extent, with wider openings demonstrating improved performance in the case of long-period waves. The incident wave angle of 0 degrees yields enhanced wave dissipation performance. Although the meaningful wave height has minimal impact on wave dissipation, it increases proportionally with the rise in meaningful wave height. This study offers valuable insights for the design and implementation of floating breakwaters and holds significant practical implications for the research on integrated devices combining floating breakwaters and wave power generation.

Suggested Citation

  • Yanna Zheng & Jiafan Li & Yingna Mu & Yu Zhang & Siyao Huang & Xiran Shao, 2023. "Numerical Study on Wave Dissipation Performance of OWC-Perforated Floating Breakwater under Irregular Waves," Sustainability, MDPI, vol. 15(14), pages 1-20, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:11427-:d:1200640
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    References listed on IDEAS

    as
    1. Zhang, Hengming & Zhou, Binzhen & Vogel, Christopher & Willden, Richard & Zang, Jun & Geng, Jing, 2020. "Hydrodynamic performance of a dual-floater hybrid system combining a floating breakwater and an oscillating-buoy type wave energy converter," Applied Energy, Elsevier, vol. 259(C).
    2. Mobin Masoomi & Mahdi Yousefifard & Amir Mosavi, 2021. "Efficiency Assessment of an Amended Oscillating Water Column Using OpenFOAM," Sustainability, MDPI, vol. 13(10), pages 1-23, May.
    3. Zhang, Hengming & Zhou, Binzhen & Vogel, Christopher & Willden, Richard & Zang, Jun & Zhang, Liang, 2020. "Hydrodynamic performance of a floating breakwater as an oscillating-buoy type wave energy converter," Applied Energy, Elsevier, vol. 257(C).
    4. Ching-Piao Tsai & Chun-Han Ko & Ying-Chi Chen, 2018. "Investigation on Performance of a Modified Breakwater-Integrated OWC Wave Energy Converter," Sustainability, MDPI, vol. 10(3), pages 1-20, February.
    5. Xueyan Li & Zhen Yu & Hengliang Qu & Moyao Yang & Hongyuan Shi & Zhenhua Zhang, 2023. "Experimental Study on the Aerodynamic Performance and Wave Energy Capture Efficiency of Square and Curved OWC Wave Energy Conversion Devices," Sustainability, MDPI, vol. 15(6), pages 1-16, March.
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