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Numerical study of natural convection with surface radiation in side-vented open cavities

✍ Scribed by S.N Singh; S.P Venkateshan

Publisher
Elsevier Science
Year
2004
Tongue
French
Weight
459 KB
Volume
43
Category
Article
ISSN
1290-0729

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✦ Synopsis

The paper presents a numerical study of steady combined laminar natural convection and surface radiation heat transfer in a twodimensional side-vented open cavity for different aspect ratios, side-vent ratios, and surface emissivities using air as the fluid medium. Results have been compared with experimental results available in the literature. Surface radiation is found to alter the basic flow pattern as well as the thermal performance substantially. The numerical investigation provides evidence of the existence of thermal boundary layers along adiabatic walls of the cavity as a consequence of the interaction of natural convection and surface radiation. Based on numerical data correlations have been developed for convective as well as radiative heat transfer.

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Numerical prediction of natural convection in vented cavities using restricted domain approach
✍ S. Anil Lal; C. Reji πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 824 KB

The present study reports the numerical simulation of natural convection heat transfer from an open square cavity with two side vents provided symmetrically on the side walls. The top wall which is maintained at a constant temperature (T w ), is the heat source for the cavity and the side walls are