Research on vibration fault diagnosis of fan rotor rotation test system

Jian Xu; Xiang Gao; Lan Ma

doi:10.1117/12.3054292

20 January 2025 Research on vibration fault diagnosis of fan rotor rotation test system

Jian Xu, Xiang Gao, Lan Ma

Author Affiliations +

Proceedings Volume 13515, Fourth International Conference on Advanced Manufacturing Technology and Electronic Information (AMTEI 2024); 135150R (2025) https://doi.org/10.1117/12.3054292
Event: 4th International Conference on Advanced Manufacturing Technology and Electronic Information (AMTEI 2024), 2024, Chongqing, China

Abstract

The fan rotor is one of the main components of the turbofan engine, and its performance not only determines the performance of the engine, but also directly relates to the reliability and service life of the engine . Traditional fan blades are made of aluminum alloy or titanium alloy, and during operation, external impact or metal fatigue may cause local fracture of the blades, or even cause the entire blade body to fly out, resulting in elastic vibration or plastic deformation of the shaft system, causing serious air crashes and resulting in aircraft destruction and death. In recent years, fiber-reinforced composites based on lay-up and braiding processes have been rapidly applied to the manufacture of engine fan blades for their advantages of high specific strength, high toughness and low density. Due to the anisotropic material parameters of composites, composites contain a variety of materials, and their failure forms are stripping failure, fiber fracture failure and fatigue failure, etc., which are vastly different from the crack extension failure, fatigue failure and corrosion failure of metal materials, and it is difficult to learn from previous research experience accumulated on metal material blades. Therefore, it is necessary to conduct rotary test studies on fan rotors made of composite materials to provide data support for the design and use of composite fan blades.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jian Xu, Xiang Gao, and Lan Ma "Research on vibration fault diagnosis of fan rotor rotation test system", Proc. SPIE 13515, Fourth International Conference on Advanced Manufacturing Technology and Electronic Information (AMTEI 2024), 135150R (20 January 2025); https://doi.org/10.1117/12.3054292

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KEYWORDS

Vibration

Fluctuations and noise

Frequency response

Failure analysis

Spectral response

Sensors

Analytical research

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