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What is the other name of the velocity-defect law?

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What is the other name of the velocity-defect law?

(a) Linear law

(b) Log law

(c) Law of the wall

(d) Law of the wake

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This question is from Turbulent Boundary Layer in section Turbulence Modelling of Computational Fluid Dynamics

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The correct answer is (d) Law of the wake

The explanation: Velocity defect law is applicable to the layer far away from the wall. This layer has less viscous effects and inertia forces are dominating here. The velocity-defect law is otherwise called the law of the wake.

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