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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.244 SNIP: 0.434 CiteScore™: 0.7

ISSN Imprimer: 1940-2503
ISSN En ligne: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2014011147
pages 383-395

NUMERICAL EVALUATION OF NATURAL CONVECTION HEAT TRANSFER IN A SUPPLY-AIR PAZIAUD WINDOW

Abdelillah Amrani
Université Mohammed Premier, Faculté des Sciences, Laboratoire de Mécanique & Energétique, 60000 Oujda, Maroc
Nadia Dihmani
Université Mohammed Premier, Faculté des Sciences, Laboratoire de Mécanique & Energétique, 60000 Oujda, Maroc
Samir Amraqui
Université Mohammed Premier, Faculté des Sciences, Laboratoire de Mécanique & Energétique, 60000 Oujda, Maroc
Ahmed Mezrhab
Laboratoire de Mécanique & Energétique, Département de Physique, Faculté des Sciences, Université Mohammed 1er, 60000 Oujda, Maroc

RÉSUMÉ

This work describes the convective exchanges which occur in a supply-air Paziaud window. The window is composed of three panes of glass separated by ventilated U-shaped air gaps. The aim of the study is to evaluate the thermal performance of a building's interior due to heat flow through the window, which contributes also to room ventilation. The study considers the effects of Rayleigh number, aspect ratio, and blind geometry on the convective heat transfer. The governing differential equations are discretized using a finite volume method, and the coupling pressure-velocity problem is carried out using the SIMPLER algorithm. Results are reported in terms of isotherms, streamlines, and average Nusselt number.


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