SUBSONIC AIRCRAFT WING Russian patent published in 2005 - IPC

FIELD: aviation.

SUBSTANCE: straight or swept wing consists of center-wing section, outer wing panels, slats, flaps and flight control units. Vertical corrugations made on wing skin and front part of flaps, 15 mm in height are used for forming smooth profiled narrowing passages at ratio of inlet and outlet sections of 2:1. When flaps are in retracted position, said passages are closed; in flight and landing position of flaps, axes of outlet sections of passages coincide with direction of main flow on upper surface of wing.

EFFECT: improved characteristics of wing at large angles of attack.

5 dwg