| 柔性转子-挤压油膜阻尼器系统双稳态特性的实验研究 |
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| 引用本文： | 祝长生,冯心海,徐建康.柔性转子-挤压油膜阻尼器系统双稳态特性的实验研究[J].航空动力学报,1988,3(2):105-108,184. |
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| 作者姓名： | 祝长生 冯心海 徐建康 |
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| 作者单位： | 燃气涡轮研究所
(祝长生，冯心海)，西北工业大学(徐建康) |
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| 摘 要： | 在大量试验结果的基础上,本文分析了在柔性转子——挤压油膜阻尼器系统中可能出现的共振型双稳态现象的一般特性及规律。讨论了油膜的径向间隙比、不平衡量、定心弹簧刚度及转子的加减速特性对双稳态特性的影响。
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| 收稿时间： | 8/1/1987 12:00:00 AM |
AN EXPERIMENTAL INVESTIGATION ON THE BISTABLE BEHAVIORS OF A FLEXIBLE ROTOR-SQUEEZE FILM DAMPER SYSTEM |
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| Zhu Changsheng,Feng Xinhai and Xu Jiankang.AN EXPERIMENTAL INVESTIGATION ON THE BISTABLE BEHAVIORS OF A FLEXIBLE ROTOR-SQUEEZE FILM DAMPER SYSTEM[J].Journal of Aerospace Power,1988,3(2):105-108,184. |
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| Authors: | Zhu Changsheng Feng Xinhai and Xu Jiankang |
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| Institution: | Gas Turbine Establishment;Gas Turbine Establishment;Northwestern Polytechntcal University |
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| Abstract: | The bistable behaviors of resonance type occurred near main resonance speed of the system is investigated,based on experiments of a flexible rotor-squeeze film damper system. The influences of unbalance speed,radial clearance ratio, centralizing spring stiffness and acceleration process on the behaviors are considered. It is shown that the squeeze film damper is effective only within a certain unbalance range. If the unbalance is large enough, the bistable operation may occur. The larger the unbalance, the centralizing spring stiffness or the radial clearance ratio is, the more the possibility of occurance of the bistable operation. |
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