Vibration analysis on turbofan engine intershaft bearing with outer race defect

被引：0
|
作者：
Liao, Ming-Fu [1 ]
Ma, Zhen-Guo [1 ]
Deng, Wei [1 ]
机构：
[1] School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2011年 / 26卷 / 11期
关键词：
Defects - Turbofan engines - Vibration analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
According to structural characteristics and kinetic characters of dual-rotor turbofan engine, a intershaft bearing test rig was developed to experiment and test vibration of a intershaft bearing with contact fatigue spalling. Defect characteristic octave frequency formula of intershaft bearing and a model was developed to describe the vibration signals and its envelope signals produced by a intershaft bearing with defect.
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页码：2422 / 2426
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