Unveiling Wing Lift


Because of angle of attack On the top of the wing Streamline tangent is not perpendicular to wing normal So the airflow tends to leave the top of the wing along the normal direction. So the pressure on the top of the wing decreases. At the bottom of the wing The tangent of the streamline is not perpendicular to the normal of the wing. So the airflow tends to approach the bottom of the wing along the normal direction. So the pressure at the bottom of the wing increases. Low top and high bottom Then the lift of the wing is generated. If the angle between the tangent and the normal of the streamline at the top of the wing is too small The wing will stall.

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