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Aerospace 2017, 4(4), 52; doi:10.3390/aerospace4040052

Design, Development and Testing of Shape Shifting Wing Model

and
†,*
Department of Engineering and Math, Sheffield Hallam University, Howard Street, Sheffield S1 1WB, UK
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 19 August 2017 / Revised: 20 October 2017 / Accepted: 30 October 2017 / Published: 1 November 2017

Abstract

The design and development of morphing (shape shifting) aircraft wings—an innovative technology that has the potential to increase the aerodynamic efficiency and reduce noise signatures of aircrafts—was carried out. This research was focused on reducing lift-induced drag at the flaps of the aerofoil and to improve the design to achieve the optimum aerodynamic efficiency. Simulation revealed a 10.8% coefficient of lift increase for the initial morphing wing and 15.4% for the optimized morphing wing as compared to conventional wing design. At angles of attack of 0, 5, 10 and 15 degrees, the optimized wing has an increase in lift-to-drag ratio of 18.3%, 10.5%, 10.6% and 4% respectively when compared with the conventional wing. Simulations also showed that there is a significant improvement on pressure distribution over the lower surface of the morphing wing aerofoil. The increase in flow smoothness and reduction in vortex size reduced pressure drag along the trailing edge of the wing as a result an increase in pressure on the lower surface was experienced. A morphing wing reduced the size of the vortices and therefore the noise levels measured were reduced by up to 50%. View Full-Text
Keywords: shape shifting wings; morphing wing; aerodynamics enhancements; experimental aerodynamics; computational fluid dynamics; NACA009 shape shifting wings; morphing wing; aerodynamics enhancements; experimental aerodynamics; computational fluid dynamics; NACA009
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ninian, D.; Dakka, S.M. Design, Development and Testing of Shape Shifting Wing Model. Aerospace 2017, 4, 52.

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