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Influence of an Integral Heave Plate on the Dynamic Response of Floating Offshore Wind Turbine Under Operational and Storm Conditions

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  • Yichen Jiang

    (School of Naval Architecture, Dalian University of Technology, Dalian 116024, China
    Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China)

  • Guanqing Hu

    (School of Naval Architecture, Dalian University of Technology, Dalian 116024, China)

  • Zhi Zong

    (School of Naval Architecture, Dalian University of Technology, Dalian 116024, China
    Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China)

  • Li Zou

    (School of Naval Architecture, Dalian University of Technology, Dalian 116024, China
    Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China)

  • Guoqing Jin

    (School of Naval Architecture, Dalian University of Technology, Dalian 116024, China)

Abstract

The hydrodynamic performance of the floating foundation for offshore wind turbines is essential to its stability and energy harvesting. A semi-submersible platform with an integral heave plate is proposed in order to reduce the vertical motion responses. In this study, we compare the heave, pitch, and roll free decay motions of the new platform with a WindFloat-type platform based on Reynolds-Averaged Navier-Stokes simulations. The differences of the linear and quadratic damping properties between these platforms are revealed. Then, a FAST (Fatigue, Aerodynamics, Structures, and Turbulence) model with the consideration of fluid viscosity effects is set up to investigate the performance of the new platform under storm and operational conditions. The time-domain responses, motion spectra, and the mooring-tension statistics of these two platforms are evaluated. It is found that the integral heave plate can increase the viscous hydrodynamic damping, significantly decrease the heave and pitch motion responses, and increase the safety of the mooring cables, especially for the storm condition.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:22:p:6122-:d:449279
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    References listed on IDEAS

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    1. Karimirad, Madjid, 2013. "Modeling aspects of a floating wind turbine for coupled wave–wind-induced dynamic analyses," Renewable Energy, Elsevier, vol. 53(C), pages 299-305.
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    Cited by:

    1. 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.

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