WHAT HAPPENS TO THE PRESSURE PLOT AND THE LIFT?

The lift goes down, but the pressure plot ....

The lines cross! The front part of the airfoil is producing negative lift while the middle and back are producing positive lift. The total lift on the airfoil ends up being the sum of these conflicting forces. You could eventually find an angle of attack where the conflicting forces cancel each other and there is no lift.


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Please send any comments to:
Curator:
Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov