Discussion
Assertion (A): The Kutta condition determines the lift of an airfoil in inviscid theory.
Reason (R): Viscosity plays no part whatever in establishing the circulation.
Select the correct answer from the options below.
Answer: B
The first statement is true, but the second is false: it is viscosity acting at the sharp trailing edge during the starting process that establishes the circulation in the first place. The Kutta condition is an inviscid statement of a viscous outcome.
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