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The Reynolds number associated with the smallest scale of motion in the turbulent flow is ____________

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in Computational Fluid Dynamics by (118k points)
The Reynolds number associated with the smallest scale of motion in the turbulent flow is ____________

(a) 0.1

(b) 1

(c) 10

(d) 100

This question was posed to me in homework.

I'm obligated to ask this question of Turbulence Modelling topic in section Turbulence Modelling of Computational Fluid Dynamics

1 Answer

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Best answer
Right option is (a) 0.1

Best explanation: The smallest scales of motion in the turbulent flows are dominated by viscous flows. They are associated with a Reynolds number 1. The smallest scales are those for which inertia and viscous flows are the same.

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