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LoginGeneration of lift over an airfoil and formation of starting vortex is correctly explained by which of these?
(a) Kutta-Joukowski Theorem
(b) Kutta Condition and Kelvin’s Theorem
(c) Kutta-Joukowski Theorem and Kelvin’s Theorem
(d) Kutta Condition and Helmholtz Theorem
I got this question in a job interview.
The query is from Kelvin’s Circulation Theorem and the Starting Vortex topic in portion Incompressible Flow over Airfoils of Aerodynamics
Aerodynamics Incompressible Flow over Airfoils in Aerodynamics 3 years ago
The correct choice is (b) KUTTA CONDITION and Kelvin’s Theorem
To elaborate: Kutta condition enforces smooth flow at the trailing edge. In doing so HIGH VELOCITY gradients formed at the trailing edge generates vorticity and hence circulation is there. From Kelvin’s circulation theorem STARTING vortex is formed to conserve circulation.
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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