采用流线曲率法，计算完全径向平衡方程，求出轴流通风机轴向间隙的气流分布。

Using the streamline curvature method and the full radial equilibrium equations, the duct flow calculations of an axial_flow fan are presented in this paper.

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采用极坐标方程，计算圆弧型和径向线加圆弧型的叶型重心联线；对径向平衡方程的离散方式、迭代方向、迭代方式和迭代收敛准则进行改进。

The computation of mass center line in the arc and radial line with arc type is made by using the polar equation of circular.

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将充满的伞看成柔软的壳体，用力学原理建立伞绳(伞衣上径向加强带)和伞衣幅中线的力平衡方程。

The canopy under inflation is regarded as a soft shell, and the equilibrium equations in the radial member and gore centerline are established by mechanics theorems.

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