Novel Design of Wing Leading Edge against Birdstrike
Publication: Journal of Aerospace Engineering
Volume 33, Issue 3
Abstract
The wing leading edge is susceptible to birdstrike, so various antibirdstrike schemes are proposed to ensure that the wing leading edge satisfies the requirements of airworthiness regulations. This paper proposes a novel antibirdstrike design, referred to as localized strengthened variable-thickness skin (LSVTS). An experimentally validated numerical model is used to prove the effectiveness of the novel design against birdstrike. The proposed scheme is compared with three other antibirdstrike schemes. The simulation results indicate that the new scheme can protect the wing skin from bird penetration and minimize the weight increase. Meanwhile, the compression residual strength of LSVTS increases by 20.9%–82.03% compared with those of the other three schemes. The novel antibirdstrike design is also suitable for most aircraft wings.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are proprietary or confidential in nature and may only be provided with restrictions. The dimension of the wing leading edge are confidential in nature, so the dimensional data of model are not explicitly given in this paper.
Acknowledgments
This work was supported by the National Natural Science Foundation of China [grant numbers 11672248, 11472226].
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Published In
Journal of Aerospace Engineering
Volume 33 • Issue 3 • May 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Jun 10, 2019
Accepted: Oct 16, 2019
Published online: Mar 2, 2020
Published in print: May 1, 2020
Discussion open until: Aug 2, 2020
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