| 转子油膜失稳现象实验研究 |
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| 引用本文： | 徐福根,徐培民. 转子油膜失稳现象实验研究[J]. 安徽工业大学学报, 2007, 24(2): 186-190 |
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| 作者姓名： | 徐福根 徐培民 |
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| 作者单位： | 安徽工业大学机械工程学院,安徽马鞍山243002 |
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| 摘 要： | 对油膜轴承转子系统的升速过程进行振动测试,利用时域波形、幅值谱、轴心轨迹、级联图及全息谱图等手段,完整记录了系统从稳定运转到发生涡动直至油膜振荡的全过程,对油膜失稳引起的低频振动分量进行综合分析,着重考察油压和不平衡量对油膜稳定性的影响.实验结果对预测和避免油膜失稳故障的发生有重要意义,对其故障机理研究也有一定的参考价值.
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| 关 键 词： | 油膜失稳 低频振动 轴心轨迹 级联图 全息谱 |
| 文章编号： | 1671-7872（2007）02-0186-05 |
| 收稿时间： | 2006-07-17 |
| 修稿时间： | 2006-07-17 |
Experimental Study on Phenomena of Unstable Oil-film of Fluid Lubricated Rotor-bearing Systems |
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| XU Fu-gen,XU Pei-min. Experimental Study on Phenomena of Unstable Oil-film of Fluid Lubricated Rotor-bearing Systems[J]. Journal of Anhui University of Technology, 2007, 24(2): 186-190 |
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| Authors: | XU Fu-gen XU Pei-min |
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| Abstract: | Vibration tests are carried on run-ups of a fluid lubricated rotor-bearing system with specified speed. The whole processes from stable running to oil whirl then the emerging of oil whip are completely recorded by the means of time domain waveforms, amplitude spectrums, center routes of rotor, spectrum cascades and holospectrums. Emphases are on vibrations of low frequency caused by unstable oil-film. In particular, the influence of oil pressure and unbalance on the stability of oil-film is examined in detail. The results of experiments are helpful to predicting and avoiding of unstable oil-film failures, and valuable to the study of mechanism of the malfunctions of fluid lubricated rotor-bearing systems. |
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| Keywords: | unstable oil-film low frequency vibration center route of rotor spectrum cascade holospectrum |
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