文章详细信息 关键词： 转子动力学;;故障诊断;;油膜涡动;;碰摩;;神经网络 [gap=981]Keywords: rotor dynamics;fault diagnosis;oil whirl;rub fault recognition rate;neural network
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...《中国测试技术》2008年2月 关键词：油膜涡动；油膜振荡；短时傅里叶变换；瀑布图；转子实验台 [gap=878]Key words： Oil whirl； Oil vibration； Short-time Fourier Transform； Waterfall； Rotor test rig ..
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oil whirl stability 油膜稳定性
oil film whirl 油膜涡动 ; 油膜漩涡 ; 油膜旋涡
oil-film whirl 油膜涡动
oil membrane whirl 油膜涡动
This paper describes, analyses and diagnoses the oil whirl and whip faults in the tilting pad bearings of the 9f type gas generator set of single shaft.
对9f单轴式燃机发生在可倾瓦轴承上的油膜涡动和油膜振荡进行了介绍、分析和诊断。
This phenomenon is therefore known as "oil whip" or "resonant whirl".
因此，这种现象称为“油膜振荡”或“共振涡动。”
It is concluded that the causes of sudden vibration are oil film whirl and thermal unbalance of generator rotor resulting from interturn short-circuit and hindered winding expansion etc.
认为突发性振动原因是运行中转子的油膜涡动和匝间短路、线圈膨胀受阻等引起的热不平衡。
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