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Constructal T-shaped fins

Publication ,  Journal Article
Bejan, A; Almogbel, M
Published in: International Journal of Heat and Mass Transfer
June 15, 2000

This paper reports the geometric (constructal) optimization of T-shaped fin assemblies, where the objective is to maximize the global thermal conductance of the assembly, subject to total volume and fin-material constraints. Assemblies of plate fins and cylindrical fins are considered. It is shown that every geometric feature of the assembly is delivered by the optimization principle and the constraints. These optimal features are reported in dimensionless terms for this entire class of fin assemblies. Corresponding results are developed for more evolved versions of the T-shaped assembly, namely, the tau-shaped assembly where the free ends of the thinner fins are bent, the tau-shaped assembly that is narrower than the space allocated to it, and the umbrella-shaped construct containing cylindrical fins. The results show that some of the optimized geometrical features are relatively robust, i.e., insensitive to changes in some of the design parameters. (C) 2000 Elsevier Science Ltd. All rights reserved.

Duke Scholars

Published In

International Journal of Heat and Mass Transfer

DOI

ISSN

0017-9310

Publication Date

June 15, 2000

Volume

43

Issue

12

Start / End Page

2101 / 2115

Related Subject Headings

  • Mechanical Engineering & Transports
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Bejan, A., & Almogbel, M. (2000). Constructal T-shaped fins. International Journal of Heat and Mass Transfer, 43(12), 2101–2115. https://doi.org/10.1016/S0017-9310(99)00283-5
Bejan, A., and M. Almogbel. “Constructal T-shaped fins.” International Journal of Heat and Mass Transfer 43, no. 12 (June 15, 2000): 2101–15. https://doi.org/10.1016/S0017-9310(99)00283-5.
Bejan A, Almogbel M. Constructal T-shaped fins. International Journal of Heat and Mass Transfer. 2000 Jun 15;43(12):2101–15.
Bejan, A., and M. Almogbel. “Constructal T-shaped fins.” International Journal of Heat and Mass Transfer, vol. 43, no. 12, June 2000, pp. 2101–15. Scopus, doi:10.1016/S0017-9310(99)00283-5.
Bejan A, Almogbel M. Constructal T-shaped fins. International Journal of Heat and Mass Transfer. 2000 Jun 15;43(12):2101–2115.
Journal cover image

Published In

International Journal of Heat and Mass Transfer

DOI

ISSN

0017-9310

Publication Date

June 15, 2000

Volume

43

Issue

12

Start / End Page

2101 / 2115

Related Subject Headings

  • Mechanical Engineering & Transports
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences