风力机叶片阻尼材料抑颤特性分析研究

摘要

As wind turbine blades tend to be long and narrow ,the demand for its properties of bending resistance and flutter suppression is increased .This paper mainly studies the flutter effect of wind turbine blades with bamboo fiber composite damping material .It introduces the models of airfoil flutter and damping flutter suppression .And the numerical simulation of damping flutter suppression model is done using MATLAB/Simulink software .Consequently the comparison diagrams of blade flutter displacement and speed between conditions with and without bamboo fiber composite damping material are gained ,which indicates that the property of flutter suppression of wind turbine blades with bamboo fiber composite damping material is significantly improved .%随着风力机叶片趋于长展型，对其自身抗弯抑颤性能的要求日渐提高。研究了阻尼材料添加在传统风机叶片后的颤振效果，引入翼型颤振及阻尼抑颤模型，用MATLAB／Simulink软件对风力机叶片阻尼抑颤模型进行仿真计算，得出添加阻尼层后风力机叶片的颤振位移和速度，结果表明添加了阻尼材料的风力机叶片抑颤性能有了明显的改善。