基于叶素动量定理对风力机叶片外形参数进行设计，考虑了叶尖损失和叶毂损失；对计算的弦长和安装角进行了多项式修正；生成数据存入excel中，为接下来的三维建模做准备；-Blade element momentum theory of wind turbine blade form factor design, taking into account the loss of tip and hub loss based　the calculation of the chord length and angle of installation of a polynomial correction　generating data into excel, and for the next three-dimensional construction prepare the mold