Research on reliability analysis of aero-engine guide vane adjustment mechanism of variable geometry turbine considering strength degradation

Kai Zhou; Jia Li; Shaoping Ye; Yi Wang; Liyang Xie

doi:10.1117/12.2682078

16 June 2023 Research on reliability analysis of aero-engine guide vane adjustment mechanism of variable geometry turbine considering strength degradation

Kai Zhou, Jia Li, Shaoping Ye, Yi Wang, Liyang Xie

Author Affiliations +

Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 126392F (2023) https://doi.org/10.1117/12.2682078
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China

Abstract

In this paper, the multidisciplinary coupled dynamics simulation method and reliability modeling method are studied for the problems of low accuracy, stuck and strength degradation of aero engines. Based on the ADAMS software platform, the parametric modelling is proposed for aero-engine guide vane adjustment mechanism of variable geometry turbine, and the parametric model is simulated. The effects of dimensional uncertainty, component deformation, load uncertainty, strength uncertainty and strength degradation on the reliability of the mechanism are considered. Through simulation analysis, the key factors affecting the reliability of the mechanism can be identified and guidance can be provided for the establishment of the reliability model. Finally, the reliability of the mechanism regarding motion accuracy failure, stuck failure and strength failure was calculated by Monte Carlo method.

Citation Download Citation

Kai Zhou, Jia Li, Shaoping Ye, Yi Wang, and Liyang Xie "Research on reliability analysis of aero-engine guide vane adjustment mechanism of variable geometry turbine considering strength degradation", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 126392F (16 June 2023); https://doi.org/10.1117/12.2682078

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