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本文提出了一种用直纹抛物面叶型来设计混流风机的叶片的新方法。用此方法可以既快,又好设计出工艺简单,气动性能良好的风机叶片。
In this paper, a new method of designing the blade of Francis fan with straight parabolic blade is presented. This method can be both fast and good design of the process is simple, good aerodynamic performance of the fan blades.