应用空气动力学理论 ,采用复变函数保角变换 ,对涡轮叶片的形状及喷嘴安装角度进行了分析研究 ,得出了叶片的形状和最佳喷嘴角度 ,并对涡轮的风动功率及效率进行了分析计算 .试验结果表明 ,数学模型的建立合理 ,理论方法正确 ,据此改进的新产品 ,设备总效率提高了1 3 55% ,噪声降低了 4dB ,从而改善了产品的性能 . The aerodynamic theory and the conformal transformation of complex functions were used to analyze the shape of the turbine blade and the nozzle installation angle. The shape of the blade and the optimal nozzle angle were obtained. The power and efficiency of the turbine were also studied. The results show that the mathematical model is established reasonably and the theoretical method is correct. The new products and equipment improved by this method have a total efficiency of 135.5% and a noise reduction of 4dB, thus improving the performance of the product.