浮式风力机气动—水动力学弱耦合仿真研究进展
1. 中国电建集团贵州工程有限公司, 贵州贵阳 550003
2. 清华大学, 深圳国际研究生院, 广东深圳 518055
| 摘 要： | 浮式风力机气动-水动力学弱耦合是指通过强制给定叶轮特定运动的方式来代替浮式载体对叶轮的影响，以此近似地研究浮式风力机的特征气动性能的研究方式。近十年来不少学者通过弱耦合方法研究了风力机在运动状态下的气动载荷以及尾流特性，为揭示浮式风力机气动性能提供了基础。当考虑载体运动后，一些传统的风力机气动模型将会失效，同时运动导致的复杂扰流、尾流情况也为叶轮的气动模型带来了挑战。本文将从弱耦合动力学模型和弱耦合下风力机气动特性研究两方面进行综述。指出今后弱耦合动力学模型需要加强在流动分离、流固耦合方面的解析能力，弱耦合研究还需要重点关注除纵荡纵摇之外其他自由度下的尾流特性分析。 |
| 关 键 词： | 浮式风力机; 弱耦合; 动力学模型; 纵荡; 纵摇 |
| DOI： | 10.57237/j.jest.2024.02.002 |
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收稿日期: 2024-03-31
接受日期: 2024-05-06
在线出版日期: 2024-05-23
A Review on the Aero-Hydro Partially Coupled Dynamics of Floating Offshore Wind Turbine
1. PowerChina Guizhou Engineering Corporation Limited, Guiyang 550003, China
2. Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| Abstract: | The partial coupling of aerodynamics and hydrodynamics in floating wind turbines entails an approach where the study of aerodynamic performance characteristics is approximated by imposing specific motions on the rotor while neglecting the influence of the floating platform. Over the past decade, numerous scholars have utilized partial coupling methods to explore the aerodynamic loads and wake characteristics of moving wind turbines, thus establishing a foundational understanding of the aerodynamic performance of floating wind turbines. When accounting for platform motion, traditional aerodynamic models for wind turbines may lose validity, while the intricate flow disturbances and wake conditions induced by motion present challenges to rotor aerodynamic modeling. This paper offers a comprehensive review, delving into two facets: partially coupled dynamic models and the examination of aerodynamic characteristics under partial coupling. It underscores the need for future advancements in analytical capabilities within partially coupled dynamic models, particularly in flow separation and fluid-structure coupling. Additionally, it highlights the necessity of focusing on the analysis of wake characteristics concerning degrees of freedom beyond heave and pitch motions. |
| Keywords: | Floating Offshore Wind Turbine; Partially Coupled Dynamics; Dynamics Model; Surge; Pitch |
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