| 可变阻抗滑动轴承的动态特性及其对转子不平衡响应的影响 |
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| 引用本文： | 方跃法. 可变阻抗滑动轴承的动态特性及其对转子不平衡响应的影响[J]. 北京交通大学学报(自然科学版), 1997, 0(4) |
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| 作者姓名： | 方跃法 |
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| 作者单位： | 北方交通大学机械工程系 |
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| 摘 要： | 讨论了可变阻抗滑动轴承的工作原理、理论模型及其油膜动力学系数的计算方法，并分析了由可变阻抗滑动轴承支承的转子不平衡响应，结果表明这种轴承有可在机器运行条件下有效地改变系统临界速度和不平衡响应幅值等动力学特性，从而达到控制机器动力学性能的目的
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| 关 键 词： | 滑动轴承 转子动力学 动态特性 润滑 |
Dynamic Characteristics of the Variable Impedance Journal Bearing and Its Influence on Unbalance Responses of a Rotor |
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| Fang Yuefa. Dynamic Characteristics of the Variable Impedance Journal Bearing and Its Influence on Unbalance Responses of a Rotor[J]. JOURNAL OF BEIJING JIAOTONG UNIVERSITY, 1997, 0(4) |
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| Authors: | Fang Yuefa |
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| Abstract: | The principle of a variable impedance journal bearing is described,a theoretical model and the oil film dynamic coefficient calculation method of the bearing are presented.The unbalance responses of a flexible rotor supported in the variable impedance journal bearings are also analyzed.The results show that the bearing has the feature of altering the system critical speeds and lowering the unbalance response amplitude of the rotor running in the new bearings. |
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| Keywords: | journal bearing rotor dynamics dynamic characteristics lubrication |
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