Is fluid flows across the airfoil with a backward facing step?

(a) False

(b) True

The question was asked in final exam.

This intriguing question originated from The Symmetric Airfoil topic in division Incompressible Flow over Airfoils of Aerodynamics

Aerodynamics Incompressible Flow over Airfoils in Aerodynamics 3 years ago

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The correct option is (b) True

To elaborate: The fluid flows across the AIRFOIL with a backward facing step, a vortex region which has a lower PRESSURE will be CREATED. This will REDUCE the wake region of the symmetric airfoil. The idea of the backward facing step airfoil originates from the idea of dimples on the golf ball where the dimples induce the CREATION of a small vortex region.

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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