柔性转子-挤压油膜阻尼器系统突加不平衡响应试验研究
EXPERIMENTAL INVESTIGATION OF SUDDEN IMBALANCE RESPONSE ON A FLEXIBLE ROTOR SYSTEM WITH SQUEEZE-FILM DAMPER
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摘要: 关于柔性转子、无定心弹簧的挤压油膜阻尼支承系统的突加不平衡响应实验研究,在国内尚未见公开报导,而探讨其一般规律性的论文却不少见,其原因可能是这种试验较难逼真地实现,并且因为要释放一块旋转质量而带有一定的危险性。Abstract: An experimental method is used to investigate suddenly applied imbalance responses of a flexible rotor with an uncentralized squeeze-film damper. The results show that the unstable transient process in this system is very short, and only after a few cycles the system recovers to steady state on new vibration level. The squeeze-film damper system has a limited capability of sudden subjection to the imbalance load. The limits depend mainly on the oil-film clearances of the damper. This work will be helpful for selecting squeeze-film parameters and experimental method of suddenly applied imbalance.
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