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本文用数学分析方法,建立了泵轴面流道过水断面面积与流道前、后边界几何参数之间的联系方程组。指出了在各种通常的已知条件下方程组的数值解法。与传统的图解法比较,本方法论证更严密,免除了繁琐的作图和校核修改过程,可以解正、反两种问题。数值化的运算和结果,其值更精确。文中有三个计算例题可资参考。
In this paper, the mathematical equations are used to establish the connection equations between the cross-sectional area of the pump axial flow passage and the geometric parameters of the front and rear of the flow passage. The numerical solution of the equations under various commonly known conditions is pointed out. Compared with the traditional graphic method, this method is more rigorous demonstration, eliminating cumbersome mapping and checking the process of modification, you can correct, anti-two kinds of problems. Numerical operations and results, the value is more accurate. The article has three calculation examples can be reference.