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Main Landing Gear Doors Vibration Reduction based on Flight Test

Abarca-Lopez, Ramon and Aquilini, Carlo and Lubrina, Pascal and Peng, Shia-Hui and Schwochow, Jan (2021) Main Landing Gear Doors Vibration Reduction based on Flight Test. In: 32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021. 32nd Congress of the International Council of the Aeronautical Sciences, 6.-10. Sept.2021, Shanghai, China. ISBN 978-393218291-4.

Full text not available from this repository.

Abstract

Main landing gear doors cover the main landing gear bays, keeping the aerodynamic shape of the aircraft during flight. They are open/close on each landing gear retraction/extension. During these phases, the nose landing gear creates flow separations, characterized by turbulent vortex motions. This turbulent flow is responsible of unsteady aerodynamic loads on the main landing gear doors and may lead to vibrations (buffeting). The present work summarizes the key activities carried out to characterize the structural response of the main landing gear doors of a commercial transport aircraft. Control devices designed, manufactured and flight-tested in order to mitigate their vibrations.

Item URL in elib:https://elib.dlr.de/146687/
Document Type:Conference or Workshop Item (Speech)
Title:Main Landing Gear Doors Vibration Reduction based on Flight Test
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Abarca-Lopez, Ramonramon.abarca (at) airbus.comUNSPECIFIED
Aquilini, Carlocarlo.aquilini (at) airbus.comUNSPECIFIED
Lubrina, PascalOffice National d'Études et de Recherches Aérospatiales (ONERA)UNSPECIFIED
Peng, Shia-HuiTotalförsvarets forskningsinstitut - FOIUNSPECIFIED
Schwochow, Janjan.schwochow (at) dlr.dehttps://orcid.org/0000-0002-5430-8479
Date:6 September 2021
Journal or Publication Title:32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISBN:978-393218291-4
Status:Published
Keywords:landing gear vibration, vibration mitigation
Event Title:32nd Congress of the International Council of the Aeronautical Sciences
Event Location:Shanghai, China
Event Type:international Conference
Event Dates:6.-10. Sept.2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Aircraft Technologies and Integration
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Structural Dynamics and System Identification
Deposited By: Schwochow, Jan
Deposited On:02 Dec 2021 23:12
Last Modified:14 Mar 2022 16:33

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