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Numerical and Experimental Study on an Anti-Oscillation Device for the DeepCwind Floating Semi-Submersible Turbine Platform

Author

Listed:
  • Wei Wang

    (School of Naval Architecture Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China
    Marine Design and Research Institute of China, Shanghai 200011, China
    School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China)

  • Sheming Fan

    (Marine Design and Research Institute of China, Shanghai 200011, China)

  • Yunxiang You

    (School of Naval Architecture Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

  • Cheng Zhao

    (School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China)

  • Liqun Xu

    (School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China)

  • Guibiao Wang

    (School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China)

Abstract

The DeepCwind floating wind turbine platform has become one of the most successful structures for accommercial floating wind farms, and the stability of it is crucial for survivability. Hence, this paper studies an anti-oscillation device with the purpose of reducing the heave and surge effects of the platform. The influence of various chamfered perforations at different sizes of the anti-heave device on the floating platform was further studied by numerical and experimental methods. Furthermore, through an analysis of the surge and heave of the pedestal with anti-heave devices with different chamfered perforations under different wave heights and wave periods, the effects on the hydrodynamic performance of the pedestal were studied. Physical experiments were conducted on a pedestal with anti-heave devices with chamfered perforations under the working conditions of different wave heights and wave periods to verify the reliability of the numerical simulation. The results show that the anti-heave effect of the anti-oscillation device is obvious under the small wave period and large wave height. Under the working conditions of different wave heights and wave periods, different perforated chamfers have different effects on reducing the oscillation of the pedestal, and its effect does not change linearly with an increasing chamfer. Under most working conditions, the anti-heave effect of the 35° chamfered perforated model was found to be the most obvious.

Suggested Citation

  • Wei Wang & Sheming Fan & Yunxiang You & Cheng Zhao & Liqun Xu & Guibiao Wang, 2023. "Numerical and Experimental Study on an Anti-Oscillation Device for the DeepCwind Floating Semi-Submersible Turbine Platform," Energies, MDPI, vol. 16(3), pages 1-24, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1034-:d:1038806
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