基于Hicks-Henne型函数的翼型参数化设计以及收敛特性研究

翼型参数化是风力机翼型优化设计中的重要环节。针对风力机翼型参数化中建立统一数学模型问题,研究HicksHenne型函数法及其改进算法在风力机翼型参数化中的应用。通过对Hicks-Henne型函数各项系数进行控制,避免出现翼型交叉与不光顺现象,保证了翼型整体形状的平滑。通过对关键点和设计变量的控制,研究设计空间覆盖性和设计变量对翼型的影响。分析了Hicks-Henne型函数法对翼型后缘设计的缺陷,并提出改进的Hicks-Henne算法改善尾缘夹角。Hicks-Henne型函数及其改进算法扩展了风力机翼型参数化表达方法,具有一定的工程实用价值。

Research on Application of Hicks-Henne Function in Airfoil Shape Parameterization

: Airfoil shape parameterization is an important link of wind turbine airfoil optimize design. To solve the problem of airfoil parameterization unified mathematical model,studying the application of Hicks-Henne function and improved algorithm in wind turbine airfoil parameterization.By controlling the coefficients of Hicks-Henne function,to avoid airfoil crossing and not smooth phenomenon,ensuring the smooth of the whole wing shape. Through controlling the key points and design variables,researching the coverage of design spatial and influence of design variables on the airfoil. Analyze the defect in Hicks-Henne function method for airfoil trailing edge design, and propose improved Hicks-Henne algorithm to improve the angle of trailing edge.Hicks-Henne function and its improved algorithm extend the wind airfoil parameterization method.It has practical value in engineering.