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涡襟翼概念是通过采用一些特殊设计的机翼前缘襟翼,改善对前缘涡流的控制,增加大后掠机翼的升阻比,改进飞机在跨声速飞行条件下的机动性能和在近距格斗中的大迎角机动性能。
Vortex flap concept is through the use of some of the special design of the wing leading edge flap to improve the front edge of the eddy current control, increase the large swept wing lift-drag ratio to improve aircraft maneuver performance under transonic flight conditions and in Close combat in the high angle of attack maneuverability.