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Airplanes and thus aircraft wings have gained quite some attention from researchers in recent times owing to their significance in our life and the potential impact of developments in this area, on reducing carbon footprint and making air transportation more environmentally friendly. Centered around this theme is the current study on how to improve lift generated by aircraft wings at lower angles of attack and delaying...

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CFD model enclosed by wind-tunnel walls

As an environmentally friendly means of transport, turboprop aircraft can save fuel up to 20% compared with turbofan aircraft. However, some traditional high-lift devices such as slotted leading edge flaps will not be suitable for turboprop engines due to the smoothness requirement at the upper surface. Therefore, a flexible leading edge design that can be drooped during take off and landing is introduced. The CFD...

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Mesh morphing of an airfoil with foldable Krueger flap

Krueger flap is a famous kind of lifting enhancement device fitted onto the leading edge of the wings. The flap remains retracted during the cruise and is hidden inside the main wing. During take-off and landing, it will be deployed by rotating around a hinge at the leading edge of the main wing to increase the wing camber and get a higher maximum lift coefficient....

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