Vortex generators:

Question

Question ATPL - Airline Transport Pilot license - Principles of Flight

QuizVDS · Accepted Answer

Transfer energy  from the free airflow into the boundary layer

QuizVDS · Answer

Change the turbulent boundary layer into a laminar boundary layer

QuizVDS · Answer

Reduce the spanwise flow on swept wing

QuizVDS · Answer

Take kinetic energy out of the boundary layer to reduce separation

Id 282 - ATPL - Vortex generators: