The paper introuduces the methods of making drawing of double channel impeller in classical works, points out some problems in the drawing and gives out a correct method of making drawing after combine atual situation.
The paper introuduces the methods of making drawing of double channel impeller in classical works, points out some problems in the drawing and gives out a correct method of making drawing after combine atual situation.
简述了现有文献中双流道叶轮的叶片绘型方法，指出文献中绘型存在的问题，并结合设计实例给出了正确的绘型方法。