因此，这种现象称为“油膜振荡”或“共振涡动。”
This phenomenon is therefore known as "oil whip" or "resonant whirl".
认为发电机转速达到两倍临界转速附近，轴系发生了油膜振荡。
Thought that the generator rotational speed had achieved nearby two time of critical rotation speeds, the shafting has had the oil film vibration.
对机组突发性振动的成因进行了频谱分析，确认油膜振荡的振动特征并加以消除。
Through frequency spectrum analysis, the causes of sudden vibration of the unit are found out, and confirm that has the feature of oil film vibration, and then is eliminated.
油膜失稳引起的转定子碰摩故障，会产生一些低频成分，油膜振荡会产生半频成分；
The analysis results also indicate rub-impact faults induced by oil-film instability can produce some low-frequency components with small amplitude and oil whip can produce half frequency component;
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 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.
分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
文中给出了该方法在汽轮发电机轴承油膜振荡故障和静子线圈过热故障诊断中的应用实例。
Some practical examples for bearing oil whip fault diagnosis and the stator coil's overheating fault diagnosis of turbogenerators are given.
对硝铵车间j 1 01汽轮机振动大、噪声大的现象进行诊断，诊断结果为油膜振荡。
The phenomena of serious vibration and noise of J101 steam turbine in ammonium nitrate shop are diagnosed. The result of diagnosis is oil film oscillation.
在介绍小波包分解原理的基础上，对试验测得的单盘单跨转子系统的油膜振荡非平稳信号用小波包分解方法进行了研究。
On the basis of wavelet packet decomposition technique introduced firstly, the measured unstable oil-film oscillations of single-disc and single-span rotor system were investigated.
汽轮发电机组轴系失稳是关系到设备安全运行的重要振动故障。介绍了一台汽轮发电机组典型油膜振荡振动故障的分析处理过程。
This paper presents the whole process of vibration analysis and troubleshooting of a steam turbine generator, which exhibited oil-excited instability during load up.
汽轮发电机组轴系失稳是关系到设备安全运行的重要振动故障。介绍了一台汽轮发电机组典型油膜振荡振动故障的分析处理过程。
This paper presents the whole process of vibration analysis and troubleshooting of a steam turbine generator, which exhibited oil-excited instability during load up.
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