Impact of Various Coupled Motions on the Aerodynamic Performance of a Floating Offshore Wind Turbine Within the Wind–Rain Field  

风-雨场中多种耦合运动对浮式海上风机气动性能的影响

作　　者：Yazhou Wang Yalong Guo Xujiang Xia Ning Zhuang 王亚洲;郭亚龙;夏旭江;庄宁

机构地区：[1]Key Laboratory of Ministry of Education for Coastal Disaster and Protection,Hohai University,Nanjing 210024,China [2]College of Harbour,Coastal and Offshore Engineering,Hohai University,Nanjing 210024,China

出　　处：《哈尔滨工程大学学报(英文版)》2025年第2期370-387,共18页Journal of Marine Science and Application

基　　金：Supported by the National Natural Science Foundation of China(51679080 and 51379073);the Fundamental Research Funds for the Central Universities(B230205020).

摘　　要：This study employed a computational fluid dynamics model with an overset mesh technique to investigate the thrust and power of a floating offshore wind turbine(FOWT)under platform floating motion in the wind–rain field.The impact of rainfall on aerodynamic performance was initially examined using a stationary turbine model in both wind and wind–rain conditions.Subsequently,the study compared the FOWT’s performance under various single degree-of-freedom(DOF)motions,including surge,pitch,heave,and yaw.Finally,the combined effects of wind–rain fields and platform motions involving two DOFs on the FOWT’s aerodynamics were analyzed and compared.The results demonstrate that rain negatively impacts the aerodynamic performance of both the stationary turbines and FOWTs.Pitch-dominated motions,whether involving single or multiple DOFs,caused significant fluctuations in the FOWT aerodynamics.The combination of surge and pitch motions created the most challenging operational environment for the FOWT in all tested scenarios.These findings highlighted the need for stronger construction materials and greater ultimate bearing capacity for FOWTs,as well as the importance of optimizing designs to mitigate excessive pitch and surge.

关 键 词：Floating offshore wind turbine Aerodynamic performance Coupled motions Wind–rain field 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]