Transient Response of a Simulated Aeroengine with a Fusing Structure during a Fan-Blade Out Event | Zendy

Chi Ma | Zendy; Wei Chen | Zendy; Jiaqi Han | Zendy; Lulu Liu | Zendy; Zhenhua Zhao | Zendy; Gang Luo | Zendy

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Transient Response of a Simulated Aeroengine with a Fusing Structure during a Fan-Blade Out Event

Author(s) -

Chi Ma,

Wei Chen,

Jiaqi Han,

Lulu Liu,

Zhenhua Zhao,

Gang Luo

Publication year - 2021

Publication title -

international journal of aerospace engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.361

H-Index - 22

eISSN - 1687-5974

pISSN - 1687-5966

DOI - 10.1155/2021/8357380

Subject(s) - rubbing , casing , transient (computer programming) , structural engineering , rotor (electric) , event (particle physics) , stiffness , vibration , transient response , blade (archaeology) , engineering , computer science , mechanical engineering , acoustics , physics , electrical engineering , quantum mechanics , operating system

A fan-blade out (FBO) event may cause complex vibrations in an aeroengine. A fusing structure protects the structural integrity of the whole aeroengine after an extreme accident, such as a blade-loss event. In this paper, we investigate not only the transient and steady responses of a simulated aeroengine model with a fusing structure after an FBO event but also the changes made to the model because of the fusing structure. Our simulated model of an aeroengine includes two rotors, bearings, and a casing. The results for the dynamic response of the simulated model show that the fusing structure can reduce the steady-state response and the impact load on the support bearings in the rotor system. The rubbing impact between the blades and casing was accounted for. A fast method for calculating the response of fused structures was developed, which may be useful when designing the stiffness of the fusing structure.

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