Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2395
Title: Conjugate natural convection in a square cavity with finite thickness horizontal walls
Authors: Mobedi, Moghtada
Keywords: Natural convection
Conductivity ratio
Cavity
Issue Date: Apr-2008
Publisher: Elsevier Ltd.
Source: Mobedi, M. (2008). Conjugate natural convection in a square cavity with finite thickness horizontal walls. International Communications in Heat and Mass Transfer, 35(4), 503-513. doi:10.1016/j.icheatmasstransfer.2007.09.004
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 of Rayleigh number (103 < Ra < 106) and thermal conductivity ratio (0 < K < 50). The variation of heat transfer rate through the cavity and horizontal walls with Rayleigh number and conductivity ratio is analyzed. It is found that although the horizontal walls do not directly reduce temperature difference between the vertical walls of cavity, they decrease heat transfer rate across the cavity particularly for high values of Rayleigh number and thermal conductivity ratio. Heatline visualization technique is a useful application for conjugate heat transfer problems as shown in this study.
URI: http://doi.org/10.1016/j.icheatmasstransfer.2007.09.004
http://hdl.handle.net/11147/2395
ISSN: 0735-1933
0735-1933
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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