Free Convection Limits for Pin-Fin Cooling-Reference-Cited by-同舟云学术

Free Convection Limits for Pin-Fin Cooling

Published:1998-08-01 Issue:3 Volume:120 Page:633-640
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Fisher T. S.¹,Torrance K. E.¹

Affiliation:

1. Sibley School of Mechanical and Aerospace Engineering, Cornell University, Upson Hall, Ithaca, NY 14853

Abstract

An analytical solution for a system consisting of a pin-fin heat sink and a chimney is presented. The result is applied to problems in which the size of the overall system is constrained. For a given heat dissipation and total system size, optimal values of the pin-fin diameter and heat-sink porosity are observed. The optima occur for systems with and without chimneys. The optimization is used to show that the minimum thermal resistance from a pin-fin heat sink is about two times larger than that of an idealized model based on inviscid flow.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/120/3/633/5911039/633_1.pdf

Reference17 articles.

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2. Armstrong J. , and WinstanleyD., 1988, “A Review of Staggered Array Pin Fin Heat Transfer for Turbine Cooling Applications,” ASME Journal of Turbomachinery, Vol. 110, pp. 94–103.

3. Bejan A. , and LedezmaG. A., 1996, “Thermodynamic Optimization of Cooling Techniques for Electronic Packages,” International Journal of Heat and Mass Transfer, Vol. 39, No. 6, pp. 1213–1221.

4. Bejan A. , and MoregaA. M., 1993, “Optimal Arrays of Pin Fins and Plate Fins in Laminar Forced Convection,” ASME JOURNAL OF HEAT TRANSFER, Vol. 115, pp. 75–81.

5. Ergun S. , 1952, “Fluid Flow Through Packed Columns,” Chemical Engineering Progress, Vol. 48, p. 9393.

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