Journal ArticleDOI
Natural Convection in Partitioned Air-Filled Rectangular Enclosures
T.W. Tong,Frank M. Gerner +1 more
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TLDR
In this paper, the effect of vertical partitioning on natural convection in air-filled rectangular enclosures was studied and it was found that placing a partition midway between the vertical walls of an enclosure produces the greatest reduction in heat trans fer and often compares favorably with fully insulating the enclosure with a porous material.Abstract:
This work is a study on the effect a vertical partition has on steady-state natural convection in air-filled rectangular enclosures. A finite difference scheme was used to solve the governing equations. Computed Nusselt numbers are presented as a func tion of the governing parameters. It was found that placing a partition midway be tween the vertical walls of an enclosure produces the greatest reduction in heat trans fer and often compares favorably with fully insulating the enclosure with a porous material.read more
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Journal ArticleDOI
Thermal radiation role in conjugate heat transfer across a multiple-cavity building block
TL;DR: In this paper, a conjugate heat transfer analysis is carried out numerically to compute the heat transfer rate/R-value as the number/layout of air-filled cavities is changed.
Journal ArticleDOI
A Differential Quadrature Solution of Natural Convection in an Enclosure with a Finite-Thickness Partition
TL;DR: In this paper, a rectangular enclosure divided by a partition with a finite thickness and conductivity is studied numerically and a temperature difference is imposed between the two isothermal vertical walls, and the other two walls are assumed adiabatic.
Journal ArticleDOI
Analysis of natural convection in a square cavity with a thin partition for linearly heated side walls
M. Sathiyamoorthy,Ali J. Chamkha +1 more
TL;DR: In this article, the authors proposed a finite element method to optimize the heat transfer rate in square cavity by attaching fin at the bottom wall, which reduces heat transfer in the cavity.
Journal ArticleDOI
A Differential Quadrature Solution of Natural Convection in an Enclosure with a Partial Partition
TL;DR: In this paper, the authors examined the flow and heat transfer in a partially divided enclosure using a differential quadrature method and showed that circulation strength decreases considerably with increasing partition height especially for the higher values of the Rayleigh number.
Journal ArticleDOI
Using of Bejan's heatline technique for analysis of natural convection in a divided cavity with differentially changing conductive partition
TL;DR: In this paper, the issue of laminar natural convection and conduction in enclosures divided by a partition with different thicknesses is investigated numerically, and the partition is accepted as conductive at different thermal conductivity ratio.