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利用几何法推导出双流道泵叶轮轴面图前、后盖板型线方程以及轴面图流道中线方程。首次给出了双流道泵叶轮轴面图流道中线分点的计算方法。研究结果将会对双流道泵叶轮水力设计ＣＡＤ软件的开发和手工绘型提供很大帮助。
The geometric equation is used to derive the equations of the front and rear cover of the double-flow impeller impeller and the midline equation of the axial flow passage. For the first time, the method of calculating the midpoint of the runner of the dual-flow impeller is presented. The results of the study will greatly assist the development and manual drawing of CAD software for hydraulic design of dual-flow pump impellers.