What is the role of "Angle of Attack" in aerodynamics?

The role of "Angle of Attack" in aerodynamics is crucial as it directly affects the generation of lift and drag on an aircraft. The angle of attack is defined as the angle between the chord line of the wing and the oncoming airflow or relative wind. This angle plays a significant role in determining how effectively an airfoil can produce lift.

When the angle of attack increases, the lift generated by the wing typically increases up to a certain point known as the critical angle of attack. Beyond this point, if the angle increases further, the airflow can no longer adhere to the wing's surface, leading to a condition called stall, where lift dramatically decreases. Moreover, the angle of attack also influences drag; as it increases, drag usually increases due to greater airflow turbulence and pressure variations.

Therefore, understanding the angle of attack is essential for pilots and engineers alike, as it has direct implications for aircraft performance, control, and safety during flight operations.