NUMERICAL STUDY OF COUPLED MOLECULAR GAS RADIATION AND NATURAL CONVECTION IN A DIFFERENTIALLY HEATED CUBICAL CAVITY

2012 ◽  
Author(s):  
Laurent Soucasse ◽  
Philippe Riviere ◽  
Shihe Xin ◽  
Patrick Le Quere ◽  
Anouar Soufiani
Keyword(s):  
Natural Convection ◽  
Numerical Study ◽  
Molecular Gas ◽  
Gas Radiation ◽  
Cubical Cavity

scholarly journals Transitional regimes of natural convection in a differentially heated cubical cavity under the effects of wall and molecular gas radiation

2014 ◽  
Vol 26 (2) ◽  
pp. 024105 ◽  
Author(s):  
L. Soucasse ◽  
Ph. Rivière ◽  
A. Soufiani ◽  
S. Xin ◽  
P. Le Quéré
Keyword(s):  
Natural Convection ◽  
Molecular Gas ◽  
Gas Radiation ◽  
Cubical Cavity

scholarly journals Numerical study of three-dimensional natural convection and entropy generation in a cubical cavity with partially active vertical walls

2017 ◽  
Vol 10 ◽  
pp. 100-110 ◽  
Author(s):  
Abdullah A.A.A Al-Rashed ◽  
Lioua Kolsi ◽  
Ahmed Kadhim Hussein ◽  
Walid Hassen ◽  
Mohamed Aichouni ◽  
...  
Keyword(s):  
Natural Convection ◽  
Entropy Generation ◽  
Numerical Study ◽  
Three Dimensional ◽  
Vertical Walls ◽  
Cubical Cavity

scholarly journals Natural Convection and Irreversibility Evaluation in a Cubic Cavity with Partial Opening in Both Top and Bottom Sides

Entropy ◽  
2019 ◽  
Vol 21 (2) ◽  
pp. 116 ◽  
Author(s):  
Hakan Oztop ◽  
Mohammed A. Almeshaal ◽  
Lioua Kolsi ◽  
Mohammed Rashidi ◽  
Mohamed E. Ali
Keyword(s):  
Natural Convection ◽  
Rayleigh Number ◽  
Numerical Study ◽  
Three Dimensional ◽  
Ratio Size ◽  
Partial Opening ◽  
Opening Ratio ◽  
Vertical Walls ◽  
Higher Temperature ◽  
Cubical Cavity

A numerical study on natural convection in a cubical cavity with partial top and bottom openings is performed in this paper. One of the vertical walls of the cavity has higher temperature than that of the opposite one; the remaining walls are insulated perfectly. Three-dimensional simulations of governing equations have been performed using a finite volume technique. The results are presented for different parameters such as opening length and Rayleigh number. It is observed that heat transfer rate and fluid flow can be controlled via opening ratio size and Rayleigh number.

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