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TECHNICAL BRIEFS

Heat Transfer From a Finned Surface in Ducted Air Jet Suction and Impingement

[+] Author and Article Information
Luis A. Brignoni

Department of Mechanical Engineering, University of Wisconsin–Milwaukee, P.O. Box 784, Milwaukee, WI 53201

Suresh V. Garimella

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1288 e-mail: sureshg@ecn.purdue.edu

J. Electron. Packag 122(3), 282-285 (Dec 01, 1999) (4 pages) doi:10.1115/1.1286106 History: Received February 01, 1999; Revised December 01, 1999
Copyright © 2000 by ASME
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References

Choi,  S. B., and Kim,  W. T., 1993, “Air jet impingement cooling of simulated multichip modules in the electronics,” Adv. Electron. Packag., 4, pp. 679–683.
Copeland,  D., 1995, “Single-phase and boiling cooling of small pin-fin arrays by multiple slot nozzle suction and impingement,” IEEE Trans. Compon., Packag., Manufact. Technol., 18, pp. 510–516.
Bartilson, B. W., 1991, “Air jet impingement on a miniature pin-fin heat sink,” ASME Paper No. 91-WA/EEP-41.
Brignoni,  L. A., and Garimella,  S. V., 1999, “Experimental optimization of confined air jet impingement on a pin-fin heat sink,” IEEE Trans. Compon. Packag. Technol., 22, pp. 399–404.
El-Sheikh,  H. A., and Garimella,  S. V., 2000, “Heat Transfer in Multiple Air Jet Impingement Using Pin-Fin Heat Sinks,” IEEE Trans. Adv. Packag. 23, pp. 113–121.
Schroeder,  V. P., and Garimella,  S. V., 1998, “Heat transfer from a discrete heat source in confined air jet impingement,” Heat Transfer 1998, 5, pp. 451–456.
Obot,  N. T., and Trabold,  T. A., 1987, “Impingement heat transfer within arrays of circular jets: Part 1-Effects of minimum, intermediate, and complete crossflow for small and large spacings,” ASME J. Heat Transfer, 109, pp. 872–879.
McGillis, W. R., and Carey, V. P., 1990, “Immersion cooling of an array of heat dissipating elements—An assessment of different flow boiling methodologies,” Cryogenic and Immersion Cooling of Optics and Electronic Equipment, ASME HTD-vol. 131, pp. 37–44.

Figures

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Schematic diagrams for: (a) bare surface with ducted suction; (b) enhanced surface with ducted suction; and (c) enhanced surface with jet impingement. All dimensions are in mm.
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Variation of bare surface heat transfer coefficient for different values of nozzle-to-target spacing at Re=10,000 (non-ducted suction)
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(a) Bare-surface (Fig. 1(a), H=19.5 mm), and (b) enhanced-surface (Fig. 1(b), H=21.9 mm) heat transfer coefficients as a function of Reynolds number for all nozzle combinations
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Thermal resistance as a function of volumetric flow rate of air in suction for bare and enhanced-surface experiments
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Thermal resistance as a function of pumping power for suction
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Comparison of heat sink thermal resistance between suction and impingement (Figs. 1(b) and 1(c))

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