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REVIEW ARTICLES

A Review of High-Heat-Flux Heat Removal Technologies

[+] Author and Article Information
M. A. Ebadian1

Department of Mechanical and Materials Engineering,  Florida International University, Miami, FL 33199Ebadian@fiu.edu

C. X. Lin

Department of Mechanical, Aerospace, and Biomedical Engineering,  The University of Tennessee, Knoxville, TN 37996

1

Corresponding author.

J. Heat Transfer 133(11), 110801 (Sep 02, 2011) (11 pages) doi:10.1115/1.4004340 History: Received August 01, 2010; Revised June 02, 2011; Published September 02, 2011; Online September 02, 2011

In recent years, high-heat-flux cooling techniques have received great attention from researchers around the world due to its importance in thermal management of both commercial and defense high-power electronic devices. Although impressive progress has been made during the last few decades, high-heat-flux removal still largely remains as a challenging subject that needs further exploration and study. In this paper, we have reviewed recent developments in several high-heat-flux heat removal techniques, including microchannels, jet impingements, sprays, wettability effects, and piezoelectrically driven droplets. High-heat-flux removal can be achieved effectively by either single-phase flow or two-phase flow boiling heat transfer. Better understandings of the underlying heat transfer mechanisms for performance improvement are discussed.

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Copyright © 2011 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Maximum heat fluxes reported over the years

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Figure 2

Three-dimensional circuit with microchannel cooling system [30]

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Figure 3

CHF mechanisms for flow boiling in uniformly heated channels: dryout in saturated flow boiling and DNB in subcooled flow boiling [42]

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Figure 4

Schematics of flow patterns in a microchannel with micropin-fins [43]

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Figure 5

The heat transfer performance of the microjet [59]

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Figure 6

Dimensional heat transfer performance of both jet arrays with water [64]

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Figure 7

Heat fluxes in a hybrid cooling system with circular microjets [65]

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Figure 8

Bubble growth and condensation inside the hybrid module for (a) circular jets and (b) slot jet [65]

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Figure 9

Average Nusselt number as a function of the heat flux at different Weber numbers [67]

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Figure 10

Enhanced surfaces: geometry cross-sectional and CCD views [70]

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Figure 11

Maximum heat fluxes achieved by different cooling technologies

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