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The units of kinematic and dynamic turbulent viscosities are ___________ respectively.(a) m/s^2 and kg m/s(b) m^2/s^2 and kg/m s(c) m^3/sand kg m/s(d) m^2/sand kg/m sI have been asked this question during an interview.My query is from Turbulent Viscosity topic in portion Turbulence Modelling of Computational Fluid Dynamics

Answer»

Right answer is (d) m^2/sand kg/m s

For EXPLANATION: The UNITS of turbulent viscosities are the same as the viscosities GIVEN by Newton’s law. The unit of kinematic turbulent viscosity is m^2/s. The unit of dynamic viscosity is kg/m s.



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