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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 63, 2013 - Issue 4
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Original Articles

Numerical Investigation of Laminar Mixed Convection in a Cubic Cavity by MRT-LBM: Effects of the Sliding Direction

S. M. Seyyedi Department of Mechanical Engineering, Babol University of Technology, Babol, I. R., Iran
,
Soheil Soleimani Department of Mechanical Engineering, Babol University of Technology, Babol, I. R., IranCorrespondence[email protected]
,
E. Ghasemi Department of Mechanical Engineering, University of Idaho, Idaho Falls, Idaho, USA
,
D. D. Ganji Department of Mechanical Engineering, Babol University of Technology, Babol, I. R., Iran
,
M. Gorji-Bandpy Department of Mechanical Engineering, Babol University of Technology, Babol, I. R., Iran
&
H. Bararnia Department of Mechanical Engineering, Babol University of Technology, Babol, I. R., Iran
Pages 285-304 | Received 24 Jan 2012, Accepted 02 Sep 2012, Published online: 19 Nov 2012
 
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Abstract

Laminar mixed convection in a cubic cavity is studied numerically using the multi-relaxation-time (MRT) lattice Boltzmann method (LBM). The sidewalls of the cavity are thermally adiabatic, while the fixed bottom and top moving walls are maintained at uniform temperatures. Simulations are performed for various values of Richardson number (Ri), sliding angle (θ), and Reynolds number (Re). It is revealed that the Nusselt number increases for different values of Reynolds number as the moving lid angle enhances. In addition, the distribution of the local Nusselt number on the bottom wall follows the direction of the moving lid.

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