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LoginIs surface is perturb the boundary layer and promote turbulence?
(a) True
(b) False
The question was asked during an interview.
I'm obligated to ask this question of Turbulent Flow in section Incompressible Flow over Airfoils of Aerodynamics
Aerodynamics Incompressible Flow over Airfoils in Aerodynamics 3 years ago
Correct option is (a) True
Explanation: The surface is dimpled to perturb the boundary layer and PROMOTE a transition to TURBULENCE. This results in higher skin FRICTION, but MOVES the point of boundary layer separation further along, resulting in lower form drag and lower overall drag.
Posted on 02 Dec 2021, this text provides information on Aerodynamics related to Incompressible Flow over Airfoils in Aerodynamics. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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