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Effects of Geometrical Parameters on Natural Convective Heat Transfer From Vertically-Mounted Rectangular Interrupted Fins

[+] Author Affiliations
Golnoosh Mostafavi, Mehran Ahmadi, Majid Bahrami

Simon Fraser University, Surrey, BC, Canada

Paper No. HT2012-58379, pp. 717-727; 11 pages
  • ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels
  • Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer
  • Rio Grande, Puerto Rico, USA, July 8–12, 2012
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4478-6
  • Copyright © 2012 by ASME


Steady-state external natural convection heat transfer from vertically-mounted rectangular interrupted fins is investigated numerically and experimentally. To perform an experimental study, a custom-designed testbed was developed to verify the analytical and numerical results. FLUENT software was used in order to develop a 2-D numerical model for investigation of interruption effects. After regenerating, and validating the existing analytical results for fin spacing, a systematic numerical and experimental study was conducted on effect of fin interruption. Results show that adding interruptions to vertical rectangular fins enhances the thermal performance of fins. In a parametric study optimum interruption length for maximum fin performance was found and correlated.

Copyright © 2012 by ASME
Topics: Convection , Fins



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