由于对旋轴流式风机电动机轴承要承受较大的轴向负荷和径向负荷，实际使用过程中常发生电动机轴承损坏的现象。
Due to the strong axial and radial load to the bearing of electromotor in counter-rotating axial fan, it is always occurred that the bearing was damaged in use.
提出了一种减聚类径向基函数神经网络的纺织空调送风风机故障诊断方法。
A new method of subtractive clustering RBF network for air condition breeze fan fault diagnosis is presented.
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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