AIRCRAFT WING Russian patent published in 2019 - IPC B64C3/10 B64C3/14 

FIELD: aviation.

SUBSTANCE: invention relates to the aviation equipment. Aircraft wing consists of center wing, cantilevers, swept to χ=0÷10° and comprises supercritical profiles. Wing front and rear edges are rectilinear at top view. Value of wing station socks radii related to local chord, r_n.≤0.5 %. Shape of upper surface of wing stations has curvilinear section in range of 18–85 % of profile chord and position of maximum ordinate of upper surface near 50 % of profile chord. Shape of lower surface of profile is made with section of concavity in range from 19 to 100 % of profile.

EFFECT: higher values of lift coefficient C_y, aerodynamic quality, fuel efficiency at cruise flight modes.

1 cl, 4 dwg