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The governing equations which are averaged using these methods of averaging are used in _____________

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The governing equations which are averaged using these methods of averaging are used in _____________

(a) DNS model

(b) SST model

(c) RANS model

(d) k-ε model

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This interesting question is from Turbulence Modelling in portion Turbulence Modelling of Computational Fluid Dynamics

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Correct choice is (c) RANS model

The best explanation: The governing Navier-Stokes equation is averaged using the Reynolds averaging techniques and these averaged equations are used in the RANS method. This is the reason why the technique is named the Reynolds-Averaged Navier-Stokes equations method.

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