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Seamless Morphing Concepts for Smart Aircraft Wing Tip

: Nagel, Christoph; Fiedler, Arne; Schorsch, Oliver; Lühring, Andreas


Wölcken, P.C.:
Smart Intelligent Aircraft Structures (SARISTU). Proceedings of the Final Project Conference 2015 : Project's Final Conference held at Moscow, Russia, between 19 and 21 of May 2015
Cham: Springer International Publishing, 2015
ISBN: 978-3-319-22412-1 (Print)
ISBN: 978-3-319-22413-8 (Online)
ISBN: 3-319-22412-3
Final Project Conference <2015, Moscow>
Conference Paper
Fraunhofer IFAM ()

Morphing concepts were investigated for a wingtip with active trailing edge (WATE) in an adaptive wing. The basic functionality is to take up geometric gap changes in order to maintain a smooth transition between connected parts. A specific material was tailored in order to meet a set of initially formulated requirements, which involve low modulus, high fatigue life, and stability against physical aging in a temperature range from −55 to +80 °C. A variety of material samples and joints were prepared and tested in order to provide a database for numerical simulation and sizing. One of the proposed solutions was developed until the physical sub-component level. Finally, morphing parts were prepared and delivered for assembly in ground test and true-scale wind tunnel demonstrators.