| Issue |
Mechanics & Industry
Volume 16, Number 3, 2015
|
|
|---|---|---|
| Article Number | 310 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/meca/2015005 | |
| Published online | 21 April 2015 | |
Free convection in a square enclosure with a finned plate
1
Laboratoire de Mécanique, Matériaux et Energétique (L2ME), Faculté
de Technologie, Université A. Mira de Bejaia, 06000
Bejaia, Algérie
2
Laboratoire de Physique Théorique (LPT), Faculté des Sciences,
Université A. Mira de Bejaia, 06000
Bejaia, Algérie
a Corresponding author: sahi.adel@hotmail.fr
Reçu : 28 Mars 2014
Accepté : 14 Décembre 2014
Abstract
The study goes further to investigate numerically the effect of a finned plate on the heat transfer and fluid flow in a square enclosure with isothermal boundary conditions for a range of the Rayleigh numbers 103–106. The governing equations under Boussinesq approximation are solved in their dimensionless form by means of the finite volume method. Results for the cases computed are presented in terms of streamlines, isotherms and Nusselt numbers and show the condition of the enhancement of heat transfer from the finned plate to the surrounding cavity walls. They reveal that the heat and flow fields are dependent on the Rayleigh number and several geometrical ratio parameters.
Key words: Free convection / square enclosure / finned plate / heat transfer / thermal buoyancy
© AFM, EDP Sciences 2015
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