Vibration analysis on turbofan engine intershaft bearing with outer race defect

Ming Fu Liao; Zhen Guo Ma; Wei Deng

Vibration analysis on turbofan engine intershaft bearing with outer race defect

Ming Fu Liao, Zhen Guo Ma, Wei Deng

动力与能源学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

15 引用（Scopus）

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.

源语言	英语
页（从-至）	2422-2426
页数	5
期刊	Hangkong Dongli Xuebao/Journal of Aerospace Power
卷	26
期	11
出版状态	已出版 - 11月 2011

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引用此

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abstract = "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.",

keywords = "Defect characteristic octave frequency, Fatigue spalling, Intershaft bearing, Outer race defect, Turbofan engine",

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AB - 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.

KW - Defect characteristic octave frequency

KW - Fatigue spalling

KW - Intershaft bearing

KW - Outer race defect

KW - Turbofan engine

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Vibration analysis on turbofan engine intershaft bearing with outer race defect

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