The Analysis and Diagnosis of Vibration Fault of a Certain Type of Aero-Engine

Yan Fei Liu; Qi Wei Wang; Shu Yun Wang; Shuang Zhang; Jia Ming Cao; Chao Ji Zhou

doi:10.4028/www.scientific.net/AMM.633-634.1256

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 633-634The Analysis and Diagnosis of Vibration Fault of a...

The Analysis and Diagnosis of Vibration Fault of a Certain Type of Aero-Engine

Abstract:

The turbofan double-rotor engine with afterburner, as a certain type of aero-engine, often presents itself with vibration fault problems in the process of trialing run in the ground text and installed the work process of state, which will affect test the factory qualified rate and the flight mission seriously. In this paper, we mainly adopt the order analysis method to find out the reasons of the engine's vibration hazard from its vibration signal, and then make pertinence measures to solve vibration fault problems, which are combined with vibration test and analysis system of the ground text in the process of actual application. The results of the paper analyze the problem of engine vibration fault effectively and reduce the incidence of engine vibration fault, So as to increase the qualified rate of the engine in the ground test.

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Periodical:

Applied Mechanics and Materials (Volumes 633-634)

Pages:

1256-1262

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.633-634.1256

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Online since:

September 2014

Authors:

Yan Fei Liu*, Qi Wei Wang, Shu Yun Wang, Shuang Zhang, Jia Ming Cao, Chao Ji Zhou

Keywords:

Aero-Engine Vibration, Control Parameters, Fault Diagnosis, Signal Analysis

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* - Corresponding Author

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