以安装于VolturnUS-S半潜式平台的IEA-15 MW浮式风力机为对象,研究真实海况下风轮的气弹响应特性及其与浮台运动之间的相互影响,并对不同入流条件下相关特性的差异进行讨论。结果表明,真实海况下浮台的运动受波浪载荷和风轮气动载荷的联合影响,浮台的运动则会造成风轮的载荷的显著波动;在考虑叶片弹性变形的影响后,浮台的运动幅度和风力机载荷均有所下降,而湍流入流条件则会导致浮台运动、风轮载荷及叶片形变等波动幅度的增加。
Abstract
In this paper, the IEA-15 MW floating wind turbine with the VolturnUS-S semi-submersible platform is adopted to study the interaction between the rotor aeroelastic response and the floating platform motion under real marine conditions. The differences in relevant characteristics under different inflow conditions were discussed. The results show that the motion of the floating platform under real marine conditions is affected by the combination of wave load and aerodynamic loads of the rotor, and the motion of the floating platform will cause significant fluctuation of the rotor loads. Considering the effect of the blade elastic deflections, the motion amplitude of the floating platform and the wind turbine loads decrease, while the turbulent inflow condition leads to the increase of the fluctuation amplitudes of the platform motions, wind turbine loads and blade.
关键词
浮式风力机 /
气弹耦合特性 /
自由尾迹 /
几何精确梁理论 /
势流理论
Key words
floating wind turbines /
aeroelastic coupling /
free vortex wake /
geometrically exact beam theory /
potential flow theory
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参考文献
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基金
航空发动机及燃气轮机基础科学中心项目（P2022-B-V-004-001); 15 MW级海上风电机组关键技术研究与应用——海上风电叶片结构建模与运动响应计算项目（202303070）
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