Lift (force)
Lift coefficient

Lift depends on the size of the wing, being approximately proportional to the wing area. It is often convenient to quantify the lift of a given airfoil by its lift coefficient C L {\displaystyle C_{L}}, which defines its overall lift in terms of a unit area of the wing.

If the value of C L {\displaystyle C_{L}} for a wing at a specified angle of attack is given, then the lift produced for specific flow conditions can be determined:

where
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