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1. 西安建筑科技大学环境与市政工程学院
2. 西安交通大学能源与动力工程学院
Published:2012
移动端阅览
[J]. 2012, (11): 49-52+111.
DOI:
[J]. 2012, (11): 49-52+111. DOI:
针对现有箔片动压气体轴承结构较为复杂、理论分析比较困难
以及难以应用于高速旋转机械等问题
提出了改进的平箔型、黏弹性支承型、鼓泡型等箔片动压气体止推轴承.在高速透平机械气体轴承试验台上
采用透平驱动转子-轴承系统以及静压轴承支承活塞杆施加轴向力等试验方法
对箔片动压气体止推轴承在不同转速下的承载性能进行了试验研究.同时
利用快速傅里叶变换方法
分析轴承-转子系统在空间3个方向的振动信号
对箔片动压气体止推轴承的运转稳定性进行了探讨.试验结果表明:平箔型动压气体止推轴承具有较高的轴向承载力
约为44N
而鼓泡型动压气体止推轴承的性能非常稳定
轴承-转子系统的轴心轨迹十分清晰
轴向振动信号中低频和高频涡动可忽略不计
其振动频率以1倍频为主.
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