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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v40.i3.70
pages 245-261

Effects of Thermal Boundary Condition, Fin Size, Spacing, Tip Clearance, and Material on Pressure Drop, Heat Transfer, and Entropy Generation Optimization for Forced Convection from a Variable-Height Shrouded Fin Array

Mehdi Famouri
Mechanical Engineering Faculty, Babol University of Technology, Babol, Iran
Kamel Hooman
Queensland Geothermal Energy Centre of Excellence, School of Mechanical and Mining Engineering University of Queensland, Brisbane, Queensland, AU
F. Hooman
Laroratory for Porous Materials Applications, Department of Mechanical Engineering, Southern Methodist University, Dallas, TX 75275-0337, USA

RÉSUMÉ

Fully developed forced convection through a variable-height shrouded fin array is studied numerically. Two different base thermal boundary conditions are considered being isothermal and isoflux heating. In either case, the shroud is assumed to be adiabatic. Following the application of two separate thermal energy equations, the conjugate heat transfer problem is solved. Different fin materials, spacings, heights, tip clearances, and sizes are examined. Considering these effects, pressure drop, heat transfer, and entropy generation aspect of the problem are studied in detail.