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In the k-ε model, the turbulent viscosity is given as ___________

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in Computational Fluid Dynamics by (118k points)
In the k-ε model, the turbulent viscosity is given as ___________

(a) μt∝k/ε

(b) μt∝k^2/ε

(c) μt=k/ε

(d) μt=k^2/ε

The question was posed to me in my homework.

The origin of the question is Turbulent Viscosity in section Turbulence Modelling of Computational Fluid Dynamics

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Best answer
The correct option is (b) μt∝k^2/ε

Easiest explanation: In the k-ε model, the turbulent dynamic viscosity is given in terms of k and ε. The relation is given as

μt∝k^2/ε.

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