Aerofoil and lift · Question 10 of 12
How does the lift coefficient behave when the angle of attack is increased up to the critical value?
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Answer
- D It increases almost evenly up to its maximum
Explanation
The lift coefficient increases almost linearly with the angle of attack. Shortly before the critical angle of attack, about 15° to 18° for common aerofoils, it reaches its maximum. Beyond that the airflow separates and the coefficient falls.