Quote:
Originally Posted by scivicblu83
In my opinion VG's are to be used when air flow needs to go around a curve that would normally have detached turbulent flow such as the the very back fuselage of a 737 or the aft side of an airplane wing at the flaps. They in themselves create minor drag that can be harnessed to eliminate major drag.
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And this has to be done in a wind tunnel or you are likely just adding drag.
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