2008 **Abstract:** The effect of conduction of horizontal walls on natural convection heat transfer in a square cavity is numerically investigated. The vertical walls of the cavity are at different constant temperatures while the outer surfaces of horizontal walls are insulated. A code based on vorticity-stream function is written to solve the governing equations simultaneously over the entire computational domain. The dimensionless wall thickness of cavity is taken as 0.1. The steady state results are obtained for wide ranges o…

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“…Costa [2] reviewed studies on heatline visualization technique and summarized its application. Mobedi et al [3,4] used the heatline technique to observe heat transport in the entire domain of a square cavity with thick horizontal walls. Mobedi et al [5] also divided heatfunction equation into the diffusion and convection heatfunctions by using superposition rule.…”

confidence: 99%

“…Costa [2] reviewed studies on heatline visualization technique and summarized its application. Mobedi et al [3,4] used the heatline technique to observe heat transport in the entire domain of a square cavity with thick horizontal walls. Mobedi et al [5] also divided heatfunction equation into the diffusion and convection heatfunctions by using superposition rule.…”

confidence: 99%

“…These physical phenomena involve different heat transfer processes (coupling convection/conduction) which can affect several aspects related to sustainable architecture and design of buildings and cities, such as the reduction of energy demand [1][2][3][4][5][6], the decrease of the environmental impact [7,8] and the analysis of the urban canyon effect [9,10]. Differentially heated enclosures have been widely studied in the past [11][12][13][14][15]. However, the complexity of the problem has led the researchers to apply several simplifications in the analysis of these phenomena, such as setting the outdoor conditions as steady or considering indoor microclimate as a controlled environment (where the interior conditions are set, and, if required, dynamically controlled by an HVAC system).…”

confidence: 99%

“…Dalal and Das [9] visualized heat transport by the heatline technique for a complicated enclosure. Mobedi et al [10,11] used the heatline technique to observe heat transport in the entire domain of a square cavity with thick horizontal walls. Recently, the heatline and streamline formulations were employed by Basak and Roy [12] to demonstrate the heat flow for differentially and distributed heating walls within cavities.…”

confidence: 99%