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Wind-wave induced dynamic response analysis for motions and mooring loads of a spar-type offshore floating wind turbine

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Abstract

Due to the energy crisis and the environmental issues like pollution and global warming, the exploration for renewable and clean energies becomes crucial. The offshore floating wind turbines (OFWTs) draw a great deal of attention recently as a means to exploit the steadier and stronger wind resources available in deep water seas. This paper studies the hydrodynamic characteristics of a spar-type wind turbine known as the OC3-Hywind concept and the dynamic responses of the turbine. Response characteristics of motions and mooring loads of the system under different sea states are evaluated and the effects of the loads induced by the wind and the wave on the system are discussed. The calculations are carried out with the numerical simulation code FAST in the time domain and the frequency analysis is made by using the FFT method. The results and the conclusions from this paper might help better understand the behavior characteristics of the floating wind turbine system under actual ocean environments and provide valuable data in design and engineering practice.

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Authors and Affiliations

  1. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

    Yu Ma  (马钰), Zhi-qiang Hu  (胡志强) & Long-fei Xiao  (肖龙飞)

Authors
  1. Yu Ma  (马钰)
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  2. Zhi-qiang Hu  (胡志强)
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  3. Long-fei Xiao  (肖龙飞)
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Corresponding author

Correspondence to Zhi-qiang Hu  (胡志强).

Additional information

Project supported by the State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University (Grant No. GKZD010023).

Biography: MA Yu (1989- ), Female, Ph. D. Candidate

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Ma, Y., Hu, Zq. & Xiao, Lf. Wind-wave induced dynamic response analysis for motions and mooring loads of a spar-type offshore floating wind turbine. J Hydrodyn 26, 865–874 (2014). https://doi.org/10.1016/S1001-6058(14)60095-0

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  • DOI: https://doi.org/10.1016/S1001-6058(14)60095-0

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