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Effect of Heave Plates on the Wave Motion of a Flexible Multicolumn FOWT

Author

Listed:
  • Taisuke Takata

    (OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan)

  • Mayuko Takaoka

    (OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan)

  • Hidetaka Houtani

    (OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan)

  • Kentaro Hara

    (Ship Structure Integrity Subarea, Department of Naval Architecture and Ocean Engineering, Osaka University, Osaka 565-0871, Japan)

  • Sho Oh

    (ClassNK—Nippon Kaiji Kyokai, Tokyo 102-8567, Japan)

  • Edgard B. Malta

    (Technomar Engenharia Oceânica, São Paulo 05419-905, Brazil)

  • Kazuhiro Iijima

    (Ship Structure Integrity Subarea, Department of Naval Architecture and Ocean Engineering, Osaka University, Osaka 565-0871, Japan)

  • Hideyuki Suzuki

    (OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan)

  • Rodolfo T. Gonçalves

    (OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan)

Abstract

Three models with different footing types were used to clarify the effect of heave plates on the hydrodynamic behavior of the elastic response of a flexible multicolumn floating offshore wind turbine (FOWT). The models were tested under regular waves, whose added mass, damping, and motion response results were compared with numerical simulations by NK-UTWind and WAMIT codes. As a whole, the attachment of heave plates was responsible for increasing the added mass and damping levels, consequently modifying the RAO of the models. Regarding the response in a sea condition, a decrease of 33% and 66% of the significant motion height (heave and pitch) was observed. Thus, the heave plate can be a good feature for the future design of FOWT.

Suggested Citation

  • Taisuke Takata & Mayuko Takaoka & Hidetaka Houtani & Kentaro Hara & Sho Oh & Edgard B. Malta & Kazuhiro Iijima & Hideyuki Suzuki & Rodolfo T. Gonçalves, 2022. "Effect of Heave Plates on the Wave Motion of a Flexible Multicolumn FOWT," Energies, MDPI, vol. 15(20), pages 1-22, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:20:p:7605-:d:942705
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    References listed on IDEAS

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    1. Ishihara, Takeshi & Zhang, Shining, 2019. "Prediction of dynamic response of semi-submersible floating offshore wind turbine using augmented Morison's equation with frequency dependent hydrodynamic coefficients," Renewable Energy, Elsevier, vol. 131(C), pages 1186-1207.
    2. Yichen Jiang & Guanqing Hu & Zhi Zong & Li Zou & Guoqing Jin, 2020. "Influence of an Integral Heave Plate on the Dynamic Response of Floating Offshore Wind Turbine Under Operational and Storm Conditions," Energies, MDPI, vol. 13(22), pages 1-18, November.
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    Cited by:

    1. Zeng, Xinmeng & Shao, Yanlin & Feng, Xingya & Xu, Kun & Jin, Ruijia & Li, Huajun, 2024. "Nonlinear hydrodynamics of floating offshore wind turbines: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).

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