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Numerical Simulations on the Dynamic Characteristics of a Shallow-draft Spar-type Floating Wind Turbine / 浅吃水单柱式浮式风机动力学特性仿真研究

Lookup NU author(s): Dr Wenxian YangORCiD

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Abstract

© 2021, Editorial Board of Journal of Ship Mechanics. All right reserved. The dynamic characteristics of a shallow-draft spar-type floating wind turbine (FWT) system are investigated using the numerical code FAST. This FWT system is designed for harvesting wind power in a water depth of 150 m where the cost of energy is believed to be reasonable. A comparison between this FWT system and OC3-Hywind system in terms of their dynamic responses is presented firstly. The influence of wind on the dynamics of FWT system is then investigated. Finally, a comprehensive load-case analysis is performed for this FWT system. It is found that turbulence brings significant excitations around the natural frequencies of FWT system. Surge and pitch are dominated by rotor thrust. They are believed to couple with each other through the relationship between rotor thrust and relative wind velocity. And yaw is mainly determined by the yaw moment induced by rotor thrust when the platform is rolling.


Publication metadata

Author(s): Xiao J-R, Peng Z-K, Tian X-L, Yang W-X

Publication type: Article

Publication status: Published

Journal: Chuan Bo Li Xue / Journal of Ship Mechanics

Year: 2021

Volume: 25

Issue: 6

Pages: 781-797

Online publication date: 07/07/2021

Acceptance date: 02/04/2018

ISSN (print): 1007-7294

Publisher: China Ship Scientific Research Center

URL: https://doi.org/10.3969/j.issn.1007-7294.2021.06.010

DOI: 10.3969/j.issn.1007-7294.2021.06.010


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