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Is viscosity is the smoothing parameter on the real fluid?

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in Aerodynamics by (773k points)
Is viscosity is the smoothing parameter on the real fluid?

(a) True

(b) False

The question was asked during an interview.

This key question is from The Vortex Sheet in division Incompressible Flow over Airfoils of Aerodynamics

1 Answer

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by (720k points)
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Best answer
Right answer is (a) True

The best explanation: Viscosity acts a smoothing parameter in areal fluid .these have been extensive studies on a vortex sheet, most of them by discrete or point vortex approximation with or without using a point vortex approximation and delta-regularization is obtained by smooth roll-up of a vortex sheet into a double branched spiral.

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