New Bird Model for Simulation of Bird Strike on Various Layups Used in Transparent Components of Rotorcrafts
Publication: Journal of Aerospace Engineering
Volume 27, Issue 1
Abstract
In this paper, a bird strike against a simple rectangular panel made of five different layups usually used in transparent parts of a rotorcraft is investigated. A new bird model is introduced and its results for impact on a transparent panel are compared with those of a traditional bird model. To create the new bird model, a real Mallard duck is initially scanned by a computed tomography scan imaging device. Five different transparent layups are studied: single-layer stretch acrylic, single-layer glass, two-wall cast acrylic, acrylic with a polyvinyl butyral (PVB) interlayer, and glass with a PVB interlayer. For each case, the optimum thickness that does not allow any penetration is presented. Finally, it was found that using a PVB interlayer can increase the strength of the transparency component to a great extent. For cases with a PVB interlayer, using glass is recommended over acrylic; however, in cases without the interlayer using acrylic is strongly recommended.
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Information & Authors
Information
Published In
Journal of Aerospace Engineering
Volume 27 • Issue 1 • January 2014
Pages: 76 - 85
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Sep 27, 2011
Accepted: Mar 12, 2012
Published online: Mar 14, 2012
Published in print: Jan 1, 2014
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