Reference : Aircraft Landing Gear Thermo-Tribomechanical Model and Sensitivity Study
Scientific journals : Article
Engineering, computing & technology : Aerospace & aeronautics engineering
Computational Sciences
Aircraft Landing Gear Thermo-Tribomechanical Model and Sensitivity Study
Heirendt, Laurent mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) > >]
Wang, Phillip mailto [Messier-Dowty Inc. Safran Group > Performance and Methods]
Liu, Hugh H.T. mailto [University of Toronto - U of T > Institute for Aerospace Studies]
Journal of Aircraft
American Institute of Aeronautics and Astronautics
Yes (verified by ORBilu)
[en] A methodology for characterizing the thermo-tribomechanical response of an aircraft landing gear shock absorber is presented. Structural damage has been reported as a consequence of heat generated by high loads induced by rough runways on the shock absorber bearings and by the high sliding velocities of the shock absorber piston. Therefore, a model that reveals the characteristics of the thermal behavior, and identifies heat sources and sinks in the landing gear shock absorber is developed. The thermo-tribomechanical model framework is presented with representative development of each component. In addition, a sensitivity study of the maximum heat flux to variations of key input parameters is investigated. The numerical results indicate that the runway amplitude dominates the landing gear thermal response.
Researchers ; Professionals

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