Design of a Morphing Wing-tip

I. Chekkal, R. C M Cheung, C. Wales, J. E. Cooper, N. J. Allen, S. Lawson, A. J. Peace, R. Cook, P. Standen, S. D. Hancock, G. M. Carossa

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

11 Citations (Scopus)
560 Downloads (Pure)


An initial design of a morphing wing-tip for a Regional Jet aircraft is developed and evaluated. The adaptive wing-tip concept is based upon a chiral type internal structure, enabling controlled cant angle orientation, camber and twist throughout the flight envelope. A baseline Turbo-Fan Aircraft configuration model is used as the benchmark to assess the device. CFD based aerodynamics were used to evaluate the required design configurations for the device at different points across the flight envelope in terms of lift/drag and bending moment distribution along the span, complementing panel method based gust load computations. Detailed studies are performed to show how the chiral structure can facilitate the required shape changes in twist, camber and cant. Actuator requirements and limitations are assessed, along with an evaluation of the aerodynamic gains from the inclusion of the device versus power and weight penalties. For a typical mission it was found that savings of around 2% in fuel weight are possible using the morphing wing-tip device.

Original languageEnglish
Title of host publication22nd AIAA/ASME/AHS Adaptive Structures Conference
Place of PublicationMaryland
PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages18
ISBN (Electronic)9781624103117
Publication statusPublished - 28 Feb 2014
Event22nd AIAA/ASME/AHS Adaptive Structures Conference - SciTech Forum and Exposition 2014 - National Harbor, MD, United States
Duration: 13 Jan 201417 Jan 2014


Conference22nd AIAA/ASME/AHS Adaptive Structures Conference - SciTech Forum and Exposition 2014
Country/TerritoryUnited States
CityNational Harbor, MD


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