Which of these equations gives the turbulent dynamic viscosity used in the realizable k-ε model?
(a) μt ∝ ρk/ε
(b) μt ∝ k / ε
(c) μt ∝ ρk^2/ε
(d) μt ∝ k^2ε
I had been asked this question during a job interview.
This intriguing question originated from Turbulence Modelling topic in portion Turbulence Modelling of Computational Fluid Dynamics