挤压油膜阻尼器失效边界探索

Probe into Failure Boundaries of Squeeze Film Damper

挤压油膜阻尼器设计不当，会导致功能失效。创建了弹支挤压油股阻尼器的双稳态区域图和减振失效边界围。只要轴承参数B和质量估心率U值不在双稳态区域内，便不会出现双稳态特性；离开诚振失效的边界，便可有效的减振。研制挤压油膜阻尼器时，应用此二图，可以带来很大的方便。

If the squeeze film damper is not designed properly, that will be caused the failure of attenuating vibration. This paper has established a bistable region diagram and a boundary diagram of the failure to attenuating vibration.Only the values of bearing parameter B and the unbalance eccentrisity U are not selected in that region, the bistable character will not be arised. B and U are selected to leave that boundaries, also the failure of attenuating vibration will not be happened. To use the two diagrams that will bring a lot of convenience for development of the squeeze film damper.