Abstract
Elastomeric materials are developed for adaptive wings focusing on the elasticity at minus 55 °C to ensure morphing at cruise altitudes. In order to optimize fatigue and ageing properties of this new multi-material device, FEM simulations and mechanical tests are carried out. Two large skin panels are finally manufactured and successfully assembled into a true-scale wind tunnel demonstrator for the experimental validation of adaptive trailing edge device functionality in simulated operative conditions.
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Abbreviations
- ε a :
-
Nominal strain amplitude
- ε a0 :
-
Material-dependent fatigue coefficient
- k :
-
Material-dependent fatigue exponent parameter
- N :
-
Number of cycles
- N f :
-
Number of cycles to failure or fatigue life
- P :
-
Probability
- R :
-
Load ratio
- n :
-
Statistical sample size
Reference
http://www.saristu.eu (2015). Accessed 01 Apr 2015
Acknowledgments
The research leading to these results has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under Grant Agreement No 284562.
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© 2016 Springer International Publishing Switzerland
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Schorsch, O., Lühring, A., Nagel, C. (2016). Elastomer-Based Skin for Seamless Morphing of Adaptive Wings. In: Wölcken, P., Papadopoulos, M. (eds) Smart Intelligent Aircraft Structures (SARISTU). Springer, Cham. https://doi.org/10.1007/978-3-319-22413-8_10
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DOI: https://doi.org/10.1007/978-3-319-22413-8_10
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Online ISBN: 978-3-319-22413-8
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