Which factor is minimized by deploying vortex generators?

Deploying vortex generators is primarily aimed at reducing induced drag, which is a significant component of total drag experienced during flight, especially at lower speeds and higher angles of attack. Induced drag arises from the lift generated by the wings, leading to the creation of wingtip vortices. By using vortex generators, airflow over the wings is energized, which helps to maintain smoother airflow and delays the onset of stall. This improved airflow allows for more efficient lift generation and effectively reduces the induced drag that occurs as lift increases.

Induced drag is particularly relevant during takeoff and landing phases, where aircraft operate at lower speeds and rely heavily on maintaining lift without reaching critical angles of attack. By addressing induced drag through the use of vortex generators, the aircraft can achieve better performance, such as increased lift and improved controllability, enabling safer operations in critical flight conditions.

In this context, while vortex generators do play a role in disturbing wingtip vortices, their primary design purpose is more focused on enhancing lift characteristics and reducing induced drag rather than simply mitigating drag elements like parasite drag or ground effect.