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Spatial averaging is suitable for ____________

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in Computational Fluid Dynamics by (118k points)
Spatial averaging is suitable for ____________

(a) homogeneous turbulent flows

(b) unsteady turbulent flows

(c) turbulent boundary layer flows

(d) mixing flows

This question was posed to me in examination.

The query is from Turbulence Modelling topic in division Turbulence Modelling of Computational Fluid Dynamics

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Best answer
The correct option is (a) homogeneous turbulent flows

The best I can explain: Spatial averaging finds the average of a quantity based on a spatial interval or volume. It is suitable for homogeneous turbulent flows. In homogeneous flows, the properties are invariant under the arbitrary translation of the coordinate axes.

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