Why Wings Push Air Downward
Along a wing's curved skin, the popular story fails: no vacuum is hauling an airliner skyward. The force points down. Beneath the metal, a pressure field and circulation bend streamlines, while the wing's angle of attack establishes downwash behind its trailing edge.The familiar Bernoulli account is incomplete, not false. It misses the bill. Lower pressure above a wing contributes to lift, but it ...More
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