Fluid mechanics, why does the air flow faster over the wing?

In summary, the air flow over a wing is faster due to positive circulation, which is caused by the deflection of air downwards. However, this faster flow is not the direct cause of lift, which is actually created by pressure at the boundary of the wing. The Bernoulli equation can be used to calculate lift in certain cases, but it does not account for friction. The Kutta condition only states that the streams meet, but does not determine their relative velocities.
  • #106
boneh3ad said:
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