湍流来流下风力机翼型非线性气弹特性研究

王速; 马璐; 张险峰; 雷肖; 沈昕; 杜朝辉

doi:doi:10.19912/j.0254-0096.tynxb.2024-1214

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湍流来流下风力机翼型非线性气弹特性研究

更新时间：2025-12-10

- 湍流来流下风力机翼型非线性气弹特性研究
- Issue 11, Pages: 650-657(2025)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1214
  CLC： K89
- Published Online：04 December 2025，
  
  Published：04 December 2025
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王速, 马璐, 张险峰, et al. 湍流来流下风力机翼型非线性气弹特性研究[J]. 2025, (11): 650-657.
DOI：

王速, 马璐, 张险峰, et al. 湍流来流下风力机翼型非线性气弹特性研究[J]. 2025, (11): 650-657. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1214.

摘要

以沉浮、俯仰二自由度风力机翼型为研究对象

建立翼型气弹系统动力学模型并引入可考虑多级失速涡的翼型动态失速模型

分析垂直来流方向湍流影响下结构及气动非线性对颤振临界速度的改变

与颤振后动力学特性。结果显示

垂直湍流对流速大小影响微弱

但扰动来流攻角造成非线性气动力波动

导致系统临界颤振速度降低

振动增强;垂直湍流破坏二自由度振动同步性

改变颤振类型;结构非线性因素对气弹响应的影响在翼型振幅随流速上升增大后增强。

Abstract

This study takes a two-degree-of-freedom （pitching and plunging） wind turbine airfoil as the research project

for which an aeroelastic model is established. An airfoil dynamic stall model

which accounts for secondary dynamic stall vortices

is introduced as the nonlinear aerodynamic model. The effects of the aerodynamic and structural nonlinearity factors on the critical flutter speed and the post-flutter dynamic characteristics of the airfoil are analyzed under the influence of vertical turbulence. The results show that the influence of vertical turbulence on the magnitude of incoming flow velocity is weak

but it significantly disturbs the incoming flow angle of attack and causes large fluctuations in the nonlinear aerodynamic force

resulting in a lower critical flutter speed and increased vibration. Vertical turbulence destroys the synchronization of the two-degree-of-freedom vibration and changes the flutter type of the system. With increasing inflow velocity

the system vibrates more substantially

and the influence of structural nonlinearity on the aeroelastic response is more obvious.

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references

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