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Effects of the WEC shape on the performance of a novel hybrid WEC-FOWT system

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  • Wu, Haitao
  • Zhu, Fengshen
  • Yuan, Zhiming

Abstract

A novel wind-wave energy hybrid concept is presented in this paper, consists of a floating semi-submersible wind turbine and multiple point absorption wave energy converters (WECs). Numerical simulations are conducted using the hydrodynamic analysis program AQWA, based on the three-dimensional (3D) potential theory. To ensure the reliability of the numerical model, the hydrodynamic responses of the semi-submersible platform and the WECs are validated using available experimental data. Finally, three WECs with different shapes are designed to investigate the shape on the performance of this hybrid system, including platform motion, mooring line tension and power captured by the WECs. The results demonstrate that the hybrid system with the circular truncated conical WECs has the best performance compared to the other two shaped WECs. In addition, the influence of the platform motion on the performance of the WEC array is negative. Overall, this study could provide some insights for the design of other wind-wave integrated systems.

Suggested Citation

  • Wu, Haitao & Zhu, Fengshen & Yuan, Zhiming, 2024. "Effects of the WEC shape on the performance of a novel hybrid WEC-FOWT system," Energy, Elsevier, vol. 288(C).
    • Handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223033017
    DOI: 10.1016/j.energy.2023.129907
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    References listed on IDEAS

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    1. Zhao, Hongbiao & Stansby, Peter & Liao, Zhijing & Li, Guang, 2024. "Multi-objective optimal control of a hybrid offshore wind turbine platform integrated with multi-float wave energy converters," Energy, Elsevier, vol. 312(C).
    2. Han, Zhi & Wei, Zhiwen & Tao, Ji & Cao, Feifei & Shi, Hongda, 2025. "Experimental study on power matrix and energy capture spectrum of a wind-wave hybrid system under random wave conditions," Energy, Elsevier, vol. 336(C).
    3. Cui, Lin & Wu, Haitao & Li, Meng & Lu, Mengyao & Liu, Weixing & Zhang, Zhiyang, 2024. "Effects of mooring failure on the dynamic behavior of the power capture platforms," Energy, Elsevier, vol. 313(C).
    4. Huang, Haoda & Liu, Qingsong & Bashir, Musa & Malkeson, Sean & Li, Chun & Yue, Minnan & Miao, Weipao & Wang, Jin, 2025. "Dynamic performance optimization of a floating offshore wind turbine based on fractal-inspired design principles," Energy, Elsevier, vol. 324(C).
    5. Hoseini Karani, Mohammad Mehdi & Nikoo, Mohammad Reza & Dolatshahi Pirooz, Houshang & Shadmani, Alireza & Al-Saadi, Saleh & Gandomi, Amir H., 2024. "Multi-objective evolutionary framework for layout and operational optimization of a multi-body wave energy converter," Energy, Elsevier, vol. 313(C).

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