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Time averaging method is useful for ____________

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in Computational Fluid Dynamics by (118k points)
Time averaging method is useful for ____________

(a) unsteady turbulent flows

(b) steady turbulent flows

(c) turbulent boundary layer flows

(d) mixing flows

The question was posed to me during an interview for a job.

I would like to ask this question from Turbulence Modelling in portion Turbulence Modelling of Computational Fluid Dynamics

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Correct answer is (b) steady turbulent flows

To elaborate: Time averaging method is useful when we have to decompose the turbulent flow variables into mean and fluctuating components based on time. They are particularly applicable for steady turbulent flows.

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