EPJ Web of Conferences
Volume 82, 2015Thermophysical Basis of Energy Technologies
|Number of page(s)||4|
|Published online||20 January 2015|
Comparative study of standard k–ε and k–ω turbulence models by giving an analysis of turbulent natural convection in an enclosure
1 Tomsk State University, Department of Theoretical Mechanics, 634050 Tomsk, Russia
2 Tomsk Polytechnic University, Institute of Power Engineering, 634050 Tomsk, Russia
a Corresponding author: email@example.com
Published online: 20 January 2015
Turbulent natural convection in a square cavity has been numerically studied. The mathematical model has been formulated in terms of the dimensionless stream function, vorticity and temperature using two standard turbulence models (k–ε and k–ω). For an obtaining of more accurate values of governing parameters close to the walls a special coordinate transformation has been used. Formulated partial differential equations along with the corresponding boundary conditions have been solved by the finite difference method. It has been shown that standard k–ε model is more accurate for the considered problem.
© Owned by the authors, published by EDP Sciences, 2015
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