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Krueger Design and Motion Requirements

Wild, Jochen and Strüber, Henning and Vervliet, Antoon and Moens, Frederic (2022) Krueger Design and Motion Requirements. In: 12th International Conference on Innovation in Aviation and Space for Opening New Horizons, EASN 2022, pp. 1-19. 12th EASN International Conference, 2022-10-18 - 2022-10-20, Barcelona, Spanien. doi: 10.1088/1742-6596/2526/1/012006. ISSN 1742-6588.

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Official URL: https://easnconference.eu/


The industrial valid design of a folding bull nose Krüger leading edge device will be presented. It serves as a geometrical basis for the UHURA project, which investigates the retraction and deployment process with numerical and experimental means. A set of realistic aerodynamic and kinematic requirements was applied, such as deflection angle range and deployed target position to enable insect shielding. In order to achieve an industrial relevant design solution of a Krüger device, realistic space allocation constraints and structural keep-out-zones were defined within the fixed leading edge. Numerical shape optimization of the Krüger device was performed to balance size, shape and deployed position with optimal aerodynamic performance, respecting the given requirements and constraints. Based on that, layout and sizing of the kinematic structural and connecting elements was carried out. Industrial viability was ensured by applying aerospace design rules, as well as relevant material selection, deformation and tolerance analysis.

Item URL in elib:https://elib.dlr.de/191864/
Document Type:Conference or Workshop Item (Speech)
Title:Krueger Design and Motion Requirements
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Wild, JochenUNSPECIFIEDhttps://orcid.org/0000-0002-2303-3214UNSPECIFIED
Strüber, HenningAirbus Operations GmbH, Bremen, GermanyUNSPECIFIEDUNSPECIFIED
Date:October 2022
Journal or Publication Title:12th International Conference on Innovation in Aviation and Space for Opening New Horizons, EASN 2022
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-19
Keywords:High-Lift Systems, Krueger flap, design
Event Title:12th EASN International Conference
Event Location:Barcelona, Spanien
Event Type:international Conference
Event Start Date:18 October 2022
Event End Date:20 October 2022
Organizer:European Aeronautics Science Network (EASN)
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 - Virtual Aircraft and  Validation, L - Aircraft Technologies and Integration
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Wild, Dr.-Ing. Jochen
Deposited On:09 Dec 2022 11:19
Last Modified:24 Apr 2024 20:53

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