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Numerical Validation of Floating Offshore Wind Turbine Scaled Rotors for Surge Motion

Author

Listed:
  • Krishnamoorthi Sivalingam

    (Lloyd’s Register Singapore Pte Ltd., 1 Fusionopolis Place, #09-11 Galaxis, Singapore 138522, Singapore)

  • Steven Martin

    (Wind Energy Systems Centre for Doctoral Training, University of Strathclyde, Glasgow G1 1XQ, UK)

  • Abdulqadir Aziz Singapore Wala

    (Lloyd’s Register Singapore Pte Ltd., 1 Fusionopolis Place, #09-11 Galaxis, Singapore 138522, Singapore)

Abstract

Aerodynamic performance of a floating offshore wind turbine (FOWT) is significantly influenced by platform surging motions. Accurate prediction of the unsteady aerodynamic loads is imperative for determining the fatigue life, ultimate loads on key components such as FOWT rotor blades, gearbox and power converter. The current study examines the predictions of numerical codes by comparing with unsteady experimental results of a scaled floating wind turbine rotor. The influence of platform surge amplitude together with the tip speed ratio on the unsteady aerodynamic loading has been simulated through unsteady CFD. It is shown that the unsteady aerodynamic loads of FOWT are highly sensitive to the changes in frequency and amplitude of the platform motion. Also, the surging motion significantly influences the windmill operating state due to strong flow interaction between the rotating blades and generated blade-tip vortices. Almost in all frequencies and amplitudes, CFD, LR-BEM and LR-uBEM predictions of mean thrust shows a good correlation with experimental results.

Suggested Citation

  • Krishnamoorthi Sivalingam & Steven Martin & Abdulqadir Aziz Singapore Wala, 2018. "Numerical Validation of Floating Offshore Wind Turbine Scaled Rotors for Surge Motion," Energies, MDPI, vol. 11(10), pages 1-25, September.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2578-:d:172367
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    References listed on IDEAS

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    1. Micallef, Daniel & Sant, Tonio, 2015. "Loading effects on floating offshore horizontal axis wind turbines in surge motion," Renewable Energy, Elsevier, vol. 83(C), pages 737-748.
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    Cited by:

    1. Lorenzo Alessi & José A. F. O. Correia & Nicholas Fantuzzi, 2019. "Initial Design Phase and Tender Designs of a Jacket Structure Converted into a Retrofitted Offshore Wind Turbine," Energies, MDPI, vol. 12(4), pages 1-28, February.
    2. Fang, Yuan & Li, Gen & Duan, Lei & Han, Zhaolong & Zhao, Yongsheng, 2021. "Effect of surge motion on rotor aerodynamics and wake characteristics of a floating horizontal-axis wind turbine," Energy, Elsevier, vol. 218(C).
    3. Zhang, Buen & Jin, Yaqing & Cheng, Shyuan & Zheng, Yuan & Chamorro, Leonardo P., 2022. "On the dynamics of a model wind turbine under passive tower oscillations," Applied Energy, Elsevier, vol. 311(C).
    4. Wang, Xinbao & Cai, Chang & Cai, Shang-Gui & Wang, Tengyuan & Wang, Zekun & Song, Juanjuan & Rong, Xiaomin & Li, Qing'an, 2023. "A review of aerodynamic and wake characteristics of floating offshore wind turbines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 175(C).
    5. Wen, Binrong & Tian, Xinliang & Dong, Xingjian & Li, Zhanwei & Peng, Zhike & Zhang, Wenming & Wei, Kexiang, 2020. "Design approaches of performance-scaled rotor for wave basin model tests of floating wind turbines," Renewable Energy, Elsevier, vol. 148(C), pages 573-584.
    6. Subbulakshmi, A. & Verma, Mohit & Keerthana, M. & Sasmal, Saptarshi & Harikrishna, P. & Kapuria, Santosh, 2022. "Recent advances in experimental and numerical methods for dynamic analysis of floating offshore wind turbines — An integrated review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 164(C).
    7. Chen, Ziwen & Wang, Xiaodong & Guo, Yize & Kang, Shun, 2021. "Numerical analysis of unsteady aerodynamic performance of floating offshore wind turbine under platform surge and pitch motions," Renewable Energy, Elsevier, vol. 163(C), pages 1849-1870.

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