The mathematical technique used to represent the random nature of the turbulent flow.(a) RANS(b) Reynolds decomposition(c) Parallel decomposition(d) DNSI had been asked this question by my college professor while I was bunking the class.I'd like to ask this question from Turbulence Modelling topic in division Turbulence Modelling of Computational Fluid Dynamics

The mathematical technique used to represent the random nature of the

1.	The mathematical technique used to represent the random nature of the turbulent flow.(a) RANS(b) Reynolds decomposition(c) Parallel decomposition(d) DNSI had been asked this question by my college professor while I was bunking the class.I'd like to ask this question from Turbulence Modelling topic in division Turbulence Modelling of Computational Fluid Dynamics
Answer» RIGHT CHOICE is (B) Reynolds decomposition Best explanation: The random nature of a TURBULENT flow needs a proper DESCRIPTION of the motion of all the flow particles. Reynolds decomposition is used to represent this random nature. This decomposes the flow variables into two components.

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