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Dynamic Response Analysis of a Semi-Submersible Floating Wind Turbine in Combined Wave and Current Conditions Using Advanced Hydrodynamic Models

Author

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  • Takeshi Ishihara

    (Department of Civil Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan)

  • Yuliang Liu

    (Department of Civil Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan)

Abstract

In this study, advanced hydrodynamic models are proposed to predict dynamic response of a floating offshore wind turbine (FOWT) in combined wave and current conditions and validated by laboratory and full-scale semi-submersible platforms. Firstly, hydrodynamic coefficient models are introduced to evaluate the added mass and drag coefficients in a wide range of Reynolds numbers. An advanced hydrodynamic model is then proposed to calculate the drag force of cylinder in combined wave and current conditions. The proposed model is validated by the water tank tests in the current-only, wave-only and current-wave conditions and is used to investigate the effect of current on the dynamic response of FOWT. Finally, the full-scale semi-submersible platform used in the Fukushima demonstration project is investigated. It is found that the predicted dynamic responses of platform by the proposed hydrodynamic models are improved by the directional spreading function of the sea wave spectrum and show favorable agreement with the field measurement.

Suggested Citation

  • Takeshi Ishihara & Yuliang Liu, 2020. "Dynamic Response Analysis of a Semi-Submersible Floating Wind Turbine in Combined Wave and Current Conditions Using Advanced Hydrodynamic Models," Energies, MDPI, vol. 13(21), pages 1-22, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5820-:d:441176
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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.
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    Cited by:

    1. Charalampos Baniotopoulos, 2022. "Advances in Floating Wind Energy Converters," Energies, MDPI, vol. 15(15), pages 1-3, August.
    2. Srikanth Bashetty & Selahattin Ozcelik, 2021. "Review on Dynamics of Offshore Floating Wind Turbine Platforms," Energies, MDPI, vol. 14(19), pages 1-30, September.
    3. Weimin Chen & Shuangxi Guo & Yilun Li & Yijun Shen, 2021. "Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine," Energies, MDPI, vol. 14(8), pages 1-13, April.
    4. Yuliang Liu & Takeshi Ishihara, 2020. "Numerical Study on Sectional Loads and Structural Optimization of an Elastic Semi-Submersible Floating Platform," Energies, MDPI, vol. 14(1), pages 1-22, December.
    5. Ramezani, Mahyar & Choe, Do-Eun & Heydarpour, Khashayar & Koo, Bonjun, 2023. "Uncertainty models for the structural design of floating offshore wind turbines: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 185(C).

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