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Is wing tips vortices produce the down wash?(a) True(b) FalseI have been asked this question during an interview.The doubt is from Downwash and Induced Drag in portion Flow over Airfoils over Finite Wing of Aerodynamics

Answer»

Right option is (a) True

Explanation: The wing tip VORTICES PRODUCE a downwash of AIR behind the wing which is very STRONG near the wing tips and DECREASE toward the wing root. The effective angle of attack of the wing is decreased by the downwash.



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