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Design and testing of a composite bird strike resistant leading edge

Ubels, L. and Johnson, A. and Gallard, J. and Sunaric, M. (2003) Design and testing of a composite bird strike resistant leading edge. In: Advanced Composites: The Balance Between Performance and Cost (Proceedings of the 24th International SAMPE Europe conference of the Society for the Advancement of Materials and Process Engineering, Paris 2003), 1, pp. 391-399. Page Bros, Norwich, UK. 24th International SAMPE Europe conference of the Society for the Advancement of Materials and Process Engineering, Paris EXPO, Porte de Versailles, Paris, Frankreich, 1-3 April 2003. ISBN 3-9522677-0-8.

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Abstract

The paper describes several innovative designs for a bird strike resistant composite leading edge for a Horizontal Tail Plane of an aircraft. These designs were based on a novel application of composites with high energy-absorbing characteristics: the tensor-skin concept. This paper describes the development of this energy-absorbing concept and its application to an impact resistant aircraft structure. The design philosophy, the fabrication and test of the first prototypes are discussed. Three improved leading edge structures with different energy-absorbing tensor concepts were manufactured. Bird-strike tests on these leading edges with a 4 lb synthetic bird at impact velocities around 100 m/s were performed. FE models were developed to simulate the unfolding of the tensor ply. Before each test was carried out, pre-test bird impact simulations were used to determine the impact test parameters and to predict the dynamic behaviour and failure mode of the structure.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Design and testing of a composite bird strike resistant leading edge
Authors:
AuthorsInstitution or Email of Authors
Ubels, L.NLR
Johnson, A.UNSPECIFIED
Gallard, J.CEAT
Sunaric, M.Univ. Patras
Date:2003
Journal or Publication Title:Advanced Composites: The Balance Between Performance and Cost (Proceedings of the 24th International SAMPE Europe conference of the Society for the Advancement of Materials and Process Engineering, Paris 2003)
Volume:1
Page Range:pp. 391-399
Editors:
EditorsEmail
SAMPE Europe, UNSPECIFIED
Publisher:Page Bros, Norwich, UK
Series Name:International SAMPE Europe conference of the Society for the Advancement of Materials and Process Engineering
ISBN:3-9522677-0-8
Status:Published
Keywords:high energy absorption, aircraft, structures, impact, bird-strike, tests, finite element
Event Title:24th International SAMPE Europe conference of the Society for the Advancement of Materials and Process Engineering, Paris EXPO, Porte de Versailles, Paris, Frankreich, 1-3 April 2003
Organizer:SAMPE Europe & the Society for the Advancement of Materials and Process Engineering
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 22:34

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