Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder |
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| Authors: | Jianhua Lu Baochang Shi Zhaoli Guo Zhenhua Chai |
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| Affiliation: | (1) Department of Mechanical Engineering, Technology Faculty, Firat University, Elazig, Turkey;(2) Department of Mechanical Engineering, College of Engineering, King Saud University, Riyadh, Saudi Arabia;(3) Department of Mechanical Education, Firat University, 23119 Elazig, Turkey;(4) Technical Vocational School, Firat University, Elazig, Turkey; |
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| Abstract: | ![]()
In this paper, the natural convection in a square enclosure with a rectangular heated cylinder is investigated via the lattice Boltzmann method. A detailed study is conducted on the effect of the cylinder width and the Rayleigh number on the fluid flow and heat transfer. The flow structures and heat transfer patterns are classified into eight buoyant regimes, i.e., four steady regimes, two periodic regimes, one multiple periodic regime, and one chaos regime, two of which are reported for the first time. |
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