Airfoil goggles2/14/2023 ![]() ![]() The 2D, three-element airfoil configuration comprises a fully deployed slat, main airfoil and flap. In this simulation example, we will understand the impact of flaps and slats on lift and drag forces. When the aircraft is at cruise altitude, the slats and flaps are retracted into the wing. Furthermore, the deployment of these elements also increases the drag force, which is incidental but helpful in slowing the aircraft down during its landing approach. By controlling the distance between these structures and the main airfoil as well as their orientation, commercial aircraft are able to generate more lift at reduced airspeeds during take-off and landing, thus requiring shorter runways. ![]() ![]() Slats are aerodynamic structures at the leading edge of the wing and flaps are deployed at the trailing edge. High lift devices such as slats and flats are used on large commercial aircraft to generate a larger lift force. ![]()
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