0
TECHNICAL PAPERS

Effect of Variable Heat Transfer Coefficient, Fin Geometry, and Curvature on the Thermal Performance of Extended Surfaces

[+] Author and Article Information
A. G. Agwu Nnanna

Department of Engineering, Purdue University Calumet, Hammond, IN 46323-2094

A. Haji-Sheikh

D. Agonafer

Department of Mechanical and Aerospace Engineering, The University of Texas at Arlington, Arlington, TX 76019–0023, USA

J. Electron. Packag 125(3), 456-460 (Sep 17, 2003) (5 pages) doi:10.1115/1.1602711 History: Received September 01, 2002; Online September 17, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Incropera, F. P., and Dewitt, D. P., 2000, Fundamentals of Heat Transfer, John Wiley and Sons, Inc., New York.
Kraus, A. D., Aziz, A., and Welty, J., 2001, Extended Surface Heat Transfer, John Wiley and Sons, Inc., New York.
Heggs,  P. J., Ingham,  D. B., and Manzoor,  M., 1981, “The Effects of Non-Uniform Heat Transfer from an Annular Fin of Triangular Profile,” ASME J. Heat Transfer, 103, pp. 184–185.
Hung,  H. M., and Appl,  F. C., 1967, “Heat Transfer of Thin Fins with Temperature-Dependent Thermal Properties and Internal Heat Generation,” ASME J. Heat Transfer, 89, pp. 155–162.
Unal,  H. C., 1985, “Determination of the Temperature Distribution in an Extended Surface with a Non-Uniform Heat Transfer Coefficient,” Int. J. Heat Mass Transfer, 28, pp. 2279–2284.
Laor,  K., and Kalman,  H., 1996, “Performance and Optimum Dimensions of Different Cooling Fins with a Temperature-Dependent Heat Transfer Coefficient,” Int. J. Heat Mass Transfer, 39, pp. 1993–2003.
Stachiewicz,  J. W., 1969, “Effect of Variation of Local Film Coefficients on Fin Performance,” ASME J. Heat Transfer, 91, pp. 21–26.
Beck, J. V., Cole, K., Haji-Sheikh, A., and Litkouhi, B., 1992, Heat Conduction Using Green’s Functions, Hemisphere Publ. Corp., Washington, DC.
Kantorovich, L. V., and Krylov, V. I., 1956, Approximate Methods of Higher Analysis, Wiley, New York.
Wolfram, S., 1996, The Mathematica, Cambridge University Press, Cambridge, UK.
The I-DEAS Electronic System Cooling User’s Guide, 1995, MAYA Heat Transfer Technologies.

Figures

Grahic Jump Location
Schematic of a fin and coordinate system
Grahic Jump Location
Heat flux at the base of a tapered fin using different heat transfer models
Grahic Jump Location
The relative heat flux at the base of a tapered fin that shows the effect of variable heat transfer coefficient
Grahic Jump Location
The efficiency of a tapered fin using various heat transfer models
Grahic Jump Location
Temperature distribution along the length of a tapered fin of circular cross section for various heat transfer models. A comparison of the generalized analytical solution and CFD model.

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In