Numerical simulation of low-Reynolds-number turbulent flow through a straight square duct

1992 ◽  
Vol 244 (-1) ◽  
pp. 101 ◽  
Author(s):  
S. Gavrilakis
Keyword(s):  
Numerical Simulation ◽  
Reynolds Number ◽  
Turbulent Flow ◽  
Low Reynolds Number ◽  
Square Duct ◽  
Flow Through ◽  
Low Reynolds

scholarly journals The organized motion of characterized turbulent flow at low Reynolds number in a straight square duct

2020 ◽  
Vol 2 (4) ◽  
Author(s):  
Hamid Hassan Khan ◽  
Syed Fahad Anwer ◽  
Nadeem Hasan ◽  
Sanjeev Sanghi
Keyword(s):  
Reynolds Number ◽  
Turbulent Flow ◽  
Low Reynolds Number ◽  
Square Duct ◽  
Low Reynolds

Prediction of Three-Dimensional Developing Turbulent Flow in a Square Duct With an Anisotropic Low-Reynolds-Number k-ε Model

1991 ◽  
Vol 113 (4) ◽  
pp. 608-615 ◽  
Author(s):  
Hyon Kook Myong ◽  
Toshio Kobayashi
Keyword(s):  
Reynolds Number ◽  
Turbulent Flow ◽  
Turbulence Model ◽  
Reynolds Shear Stress ◽  
Low Reynolds Number ◽  
Three Dimensional ◽  
Numerical Procedure ◽  
Complex Flow ◽  
Square Duct ◽  
Low Reynolds

Three-dimensional developing turbulent flow in a square duct involving turbulence-driven secondary motion is numerically predicted with an anisotropic low-Reynolds-number k-ε turbulence model. Special attention has been given to both regions close to the wall and the corner, which are known to influence the characteristics of secondary flow a great deal. Hence, the no-slip boundary condition at the wall is directly used in place of the common wall function approach. The resulting set of equations simplified only by the boundary layer assumption are first compared with previous algebraic stress models, and solved with a forward marching numerical procedure for three-dimensional shear layers. Typical predicted quantities such as mean axial and secondary velocities, friction coefficients, turbulent kinetic energy, and Reynolds shear stress are compared with available experimental data. These results indicate that the present anisotropic k-ε turbulence model performs quite well for this complex flow field.

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