Cooling of a Vertical Shrouded Fin Array by Natural Convection: A Numerical Study

An analysis is made of the laminar natural convection in a vertical shrouded fin array, in which the flow is induced from the surroundings by the chimney effect. This involves the calculation of developing flow in a duct. The results are obtained numerically for representative values of the paramete...

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Bibliographic Details
Published in:Journal of heat transfer 1987-08, Vol.109 (3), p.671-676
Main Authors: Karki, K. C, Patankar, S. V
Format: Article
Language:English
Subjects:
420400 - Engineering- Heat Transfer & Fluid Flow
CHIMNEYS
CONVECTION
Convective and constrained heat transfer
COOLING
ELECTRONIC EQUIPMENT
ENERGY TRANSFER
ENGINEERING
ENGINES
Exact sciences and technology
FINS
Fundamental areas of phenomenology (including applications)
HEAT TRANSFER
HEATING
MASS TRANSFER
MATHEMATICS
NATURAL CONVECTION
NUMERICAL ANALYSIS
Physics
SPACE HEATING
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Description
Summary:An analysis is made of the laminar natural convection in a vertical shrouded fin array, in which the flow is induced from the surroundings by the chimney effect. This involves the calculation of developing flow in a duct. The results are obtained numerically for representative values of the parameters describing the system geometry and ducts of different lengths. The axial development of various flow quantities, such as the Nusselt number and the bulk temperature, has been presented. In addition, the overall flow and heat transfer characteristics have been discussed.
ISSN:0022-1481
1528-8943
DOI:10.1115/1.3248140