Computational Fluid Dynamics Boundary Conditions Turbulence Model Online Exam Quiz
Computational Fluid Dynamics Boundary Conditions Turbulence Model GK Quiz. Question and Answers related to Computational Fluid Dynamics Boundary Conditions Turbulence Model. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Boundary Conditions Turbulence Model
The range of values of the turbulent kinetic energy is ___________
Options
A : 50 to 75%
B : 11 to 20%
C : 1 to 10%
D : 0 to 1%
Boundary conditions near the solid-walls for a k-? model depends on ___________
Options
A : Eddy viscosity
B : Reynolds number
C : ?-value
D : k-value
Which of these is correct about the first internal node of a k-? model?
Options
A : k-equation is not solved
B : ?-equation is not solved
C : Both k and ?-equations are not solved
D : Both k and ?-equations are solved simultaneously
In the low Reynolds number turbulence models, the first internal grid point is placed in the ___________
Options
A : log-law layer
B : buffer layer
C : inertial sub-layer
D : viscous sub-layer
When k and ? values are not available, for inlet boundary conditions, they are ____________
Options
A : obtained from turbulence intensity
B : assumed to be zero
C : assumed to be unity
D : obtained from Reynolds number
Which of these values vanish near the wall boundary?
Options
A : Velocity and turbulent viscosity
B : Velocity and Reynolds number
C : Velocity and k-value
D : k-value and Reynolds number
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