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The behaviour of large eddies depend on __________

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The behaviour of large eddies depend on __________

(a) Viscosity and time scales

(b) Velocity and time scales

(c) Time and length scales

(d) Velocity and length scales

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I want to ask this question from Turbulence Modelling topic in portion Turbulence Modelling of Computational Fluid Dynamics

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The correct option is (d) Velocity and length scales

Explanation: Velocity and length of the large eddies will be large. The variation of flow with time is not much. Thus, they are not dependent much on the time scales. Instead, they are dependent on the velocity and length scales.

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