Leading-edge flap definition:
A leading-edge flap is a structure located at the front edge of an airplane wing that can be extended downward to increase the camber, lift, and drag of the wing. During takeoff and landing, the leading-edge flaps are activated to increase the amount of aerodynamic lift generated by the wing at a specific airspeed.
The leading-edge flaps are designed to alter the airflow over the wing, dramatically increasing the lift that can be generated. When activated, the flaps create a downward projection on the wing’s front edge, which changes the wing’s geometry, redistributes the pressure distribution over the upper and lower wings, and increases lift while also producing a greater amount of drag.
Aircraft designers use the leading-edge flap to improve takeoff and landing performance, and they can be found on various types of aircraft – from small personal planes to large, commercial airliners. The flaps can be automatically or manually activated, depending on the plane’s design and the pilot’s preference.
In general, the leading-edge flap is an essential component of an aircraft, as it contributes to aerodynamic performance during takeoff and landing, ensuring that the airplane can lift off the ground and land safely and smoothly.
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