A vortex generator (VG) is an aerodynamic surface, consisting of a small vane or bump that creates a vortex. Vortex generators can be found on many devices, but the term is most often used in aircraft design.
Vortex generators delay flow separation and aerodynamic stalling, thereby improving the effectiveness of wings and control surfaces (e.g., Embraer 170 and Symphony SA-160). For swept-wing transonic designs, they alleviate potential shock-stall problems (e.g., Harrier, Blackburn Buccaneer, Gloster Javelin).
Read more about Vortex Generator: Method of Operation, After-market Installation, Increase in Maximum Takeoff Weight, Maximum Landing Weight
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