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TECHNICAL PAPERS

Design of Optimum Plate-Fin Natural Convective Heat Sinks

[+] Author and Article Information
Avram Bar-Cohen

Department of Mechanical Engineering, TherPES Laboratory, University of Maryland, College Park, MD 20747

Madhusudan Iyengar

Laboratory of Thermal Management of Micro-Nano Systems, Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

Allan D. Kraus

Department of Mechanical Engineering, University of Akron, Akron, OH

J. Electron. Packag 125(2), 208-216 (Jun 10, 2003) (9 pages) doi:10.1115/1.1568361 History: Received June 22, 2001; Online June 10, 2003
Copyright © 2003 by ASME
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References

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Figures

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Rectangular plate-fin heat sink array—(a) vertical configuration, (b) 2-D plate-fin schematic
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Array heat transfer coefficient, ha, W/m2 -K, plate-fin arrays, H=4.5 cm,L=W=10 m,kfin=200 W/m-K, θb=25 K
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Array heat transfer coefficient, ha, W/m2 -K, plate-fin arrays— (a) array mass=0.125 kg, (b) array mass=0.25 kg, (c) array mass=0.375 kg, L=W=10 cm, aluminum, kfin=200 W/m-K ,θb=25 K
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Array heat transfer coefficient, W/m2 -K, least-material plate-fin arrays, L=W=10 cm, aluminum, kfin=200 W/m-K,θb=25 K
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Mass specific heat transfer coefficient, hm, W/kg-K, least-material plate-fin arrays, L=W=10 cm, aluminum, ρfin=2700 kg/m3 , kfin=200 W/m-K,θb=25 K
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Space claim heat transfer coefficient, hsc, W/m3 -K, least-material plate-fin arrays, L=W=10 cm, aluminum, kfin=200 W/m-K,θb=25 K
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Comparison of metrics for optimum designs, optimal least-material plate-fin arrays, L=W=10 cm, aluminum, kfin=200 W/m-K,θb=25 K
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Thermal performance metrics, least-material plate-fin arrays, copper—(a) ha, W/m2 -K, (b) hm, W/kg-K, (c) hsc; W/m3 -K, magnesium: (d) ha, W/m2 -K, (e) hm, W/kg-K, (f) hsc, W/m3 -K; L=W=10 cm,θb=25 K
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Array heat transfer coefficient, ha, plate-fin arrays, L=W=10 cm,kfin=200 W/m-K,θb=25 K
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Plate aspect ratio, H/t, least-material plate-fin arrays, (a) aluminum, (b) copper, (c) magnesium, L=W=10 cm,θb=25 K

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