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Proposal of a Novel Semi-Submersible Floating Wind Turbine Platform Composed of Inclined Columns and Multi-Segmented Mooring Lines

Author

Listed:
  • Zhenqing Liu

    (School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Qingsong Zhou

    (School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Yuangang Tu

    (School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Wei Wang

    (Department of Architecture and Building Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa 1528550, Japan)

  • Xugang Hua

    (Key Laboratory for Bridge and Wind Engineering of Hunan Province, College of Civil Engineering, Hunan University, Changsha 410082, China)

Abstract

The semi-submersible floating offshore wind turbine has been studied in detail due to its good stability. However, the occurrence of typhoons are very frequent in China’s offshore area, putting forward a higher requirement for the stability of the floating wind turbine system. By changing the connection mode of the mooring line as well as the structural form of the platform based on the original OC4 model, two groups of models were examined by an in-house developed code named as the Analysis Tool of Floating Wind Turbine (AFWT). The influence of the arrangement of the mooring lines and the inclination angle of the upper columns on the motion response were clarified. It was found that the surge motion of the platform would be obviously decreased by decreasing the length of the upper segments of the mooring lines, while the heave motion of the platform would be significantly decreased as increasing the inclined angle of the columns. Therefore, a new model integrating the optimized multi-segmented mooring lines and the optimized inclined columns was proposed. The examinations showed that compared with the response motions of the original OC4 semi-submersible model, the proposed model could reduce both the surge and heave motions of the platform effectively.

Suggested Citation

  • Zhenqing Liu & Qingsong Zhou & Yuangang Tu & Wei Wang & Xugang Hua, 2019. "Proposal of a Novel Semi-Submersible Floating Wind Turbine Platform Composed of Inclined Columns and Multi-Segmented Mooring Lines," Energies, MDPI, vol. 12(9), pages 1-32, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:9:p:1809-:d:230507
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    References listed on IDEAS

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    4. Tomasicchio, Giuseppe Roberto & D'Alessandro, Felice & Avossa, Alberto Maria & Riefolo, Luigia & Musci, Elena & Ricciardelli, Francesco & Vicinanza, Diego, 2018. "Experimental modelling of the dynamic behaviour of a spar buoy wind turbine," Renewable Energy, Elsevier, vol. 127(C), pages 412-432.
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    Cited by:

    1. Zhang, Zhiyang & Bu, Yifeng & Wu, Haitao & Wu, Linyan & Cui, Lin, 2023. "Parametric study of the effects of clump weights on the performance of a novel wind-wave hybrid system," Renewable Energy, Elsevier, vol. 219(P1).
    2. Edwards, Emma C. & Holcombe, Anna & Brown, Scott & Ransley, Edward & Hann, Martyn & Greaves, Deborah, 2024. "Trends in floating offshore wind platforms: A review of early-stage devices," Renewable and Sustainable Energy Reviews, Elsevier, vol. 193(C).
    3. Zi Lin & Xiaolei Liu, 2020. "Assessment of Wind Turbine Aero-Hydro-Servo-Elastic Modelling on the Effects of Mooring Line Tension via Deep Learning," Energies, MDPI, vol. 13(9), pages 1-21, May.

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