Computational Fluid Dynamics Rng K Epsilon Online Exam Quiz
Computational Fluid Dynamics Rng K Epsilon GK Quiz. Question and Answers related to Computational Fluid Dynamics Rng K Epsilon. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Rng K Epsilon
What is the value of C? in the RNG k-? model?
Options
A : 0.0545
B : 0.0645
C : 0.0845
D : 0.0745
The term representing the effect of small-scale eddies in diffusion terms of the k transport equation and ? transport equations take the values ___________ and ____________
Options
A : 1.49, 1.49
B : 1.39, 1.39
C : 1.39, 1.49
D : 1.49, 1.39
The RNG k-? model makes assumptions for ___________
Options
A : dynamic eddy viscosity
B : kinematic eddy viscosity
C : small-scale turbulence
D : large-scale turbulence
div[?k ?eff grad k] is the diffusion term in the transport equation of the turbulent kinetic energy. ?k represents ____________
Options
A : effects of internal thermal energy
B : effects of turbulent kinetic energy
C : effects of large-scale turbulence
D : effects of small-scale turbulence
The dynamic eddy viscosity used in the RNG k-? model is ____________
Options
A : half of the that of the k-? model
B : the same as that of the k-? model
C : twice that of the k-? model
D : thrice that of the k-? model
The Reynolds stress term used in the RNG k-? model is given by 2?t Sij-2?3 ?k?ij. What does the term ?ij represent?
Options
A : Kronecker delta
B : Euler delta
C : Hermann delta
D : Cartesian delta
The effects of the small-scale turbulence are ____________
Options
A : normalized
B : assumed
C : neglected
D : represented by random forcing functions
What does the abbreviation RNG in the RNG k-? model stand for?
Options
A : Random number generator
B : Renormalization group
C : Renormalization generator
D : Random number group
The effective dynamic eddy viscosity is ___________
Options
A : the addition of molecular dynamic viscosity and dynamic eddy viscosity
B : the ratio of molecular dynamic viscosity and dynamic eddy viscosity
C : the product of molecular dynamic viscosity and dynamic eddy viscosity
D : molecular dynamic viscosity to the power of dynamic eddy viscosity
The RNG k-? model comes under which of these types of the turbulence models?
Options
A : Two-equation model
B : One-equation model
C : Algebraic model
D : Second-order closure models
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Computational Fluid Dynamics Research Design Tool
Computational Fluid Dynamics Residuals
Computational Fluid Dynamics Reynolds Averaged Navier Stokes Model
Computational Fluid Dynamics Reynolds Transport Theorem
Computational Fluid Dynamics Rhie Chow Interpolation
Computational Fluid Dynamics Rules Averaging
Computational Fluid Dynamics Runge Kutta Method
Computational Fluid Dynamics Second Order Upwind Scheme