Identification of the excitation source's circumferential position for rotating blades based on vibration phase

Guangyue Niu,Fajie Duan,Zhibo Liu,Fengyao Zhi,Xiao Fu,Jiajia Jiang, Guanghui Guo,Bing Xiong

Journal of Sound and Vibration（2022）

引用 4|浏览3

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摘要

•The blade resonance models under excitation sources are established.•A method of identifying excitation sources from blade vibration phase is proposed.•An unwrapping method addressing phase ambiguity is proposed.•The identification error of excitation source's position is less than ±1°.

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关键词

Excitation source,Circumferential position,Vibration phase,Rotating blade,Phase unwrapping,Rotating machine

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