HSPM Machine; Mechanical Characteristics; Electromagnetic Characteristics; Rotor Dynamic Characteristics; Rotor Design.

高速永磁电机；机械特性；电磁特性；转子动力特性；转子设计。

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The results of CFD simulation predicted the dynamic properties of seals and the effect of their structural parameters on rotor dynamic characteristics, and guided design of more stable compressors.

CFD计算的结果预测了密封的动力特性以及密封结构参数对转子动力学特性的影响，可以指导密封的设计和压缩机改造，综合考虑性能和制造成本，实现优化设计。

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The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.

滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。

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