15 - Guest lectures
MAIN LANDING GEAR DOORS VIBRATION REDUCTION BASED ON FLIGHT TEST
R. Abarca López¹, C. Aquilini¹, P. Lubrina, ONERA, France; S.-H. Peng, FOI, Sweden; J. Schwochow, DLR, Germany; ¹Airbus, Spain
Main landing gear doors are open for the deployment and the retraction of the landing gears. During these phases, the nose landing gear creates flow separations, which are convected further downstream over the main landing gear doors. This turbulent flow is responsible of unsteady aerodynamic loads on the main landing gear doors and may lead to vibrations (buffeting). The present work summarises the key activities carried out in the frame of the European Project AFLoNext to characterise the structural response of the main landing gear doors of a commercial transport aircraft, as well as the effect of control devices designed, manufactured and flight-tested in order to mitigate their vibrations.