Modeling Thermal Contact Resistance: A Scale Analysis Approach

[+] Author and Article Information
M. Bahrami, J. R. Culham, M. M. Yovanovich

Microelectronics Heat Transfer Laboratory, Department of Mechanical Engineering, University of Waterloo, Waterloo, ON, Canada N2L 3G1

J. Heat Transfer 126(6), 896-905 (Jan 26, 2005) (10 pages) doi:10.1115/1.1795238 History: Received October 17, 2003; Revised June 11, 2004; Online January 26, 2005
Copyright © 2004 by ASME
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Schematic geometry of spherical rough contact in vacuum, heat source on half-space, and flux tube geometries
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Conforming rough, elastoconstriction, and transition regions
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Schematic geometry of microcontact
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Comparison between half-space and flux tube solutions
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Comparison between scale analysis model and data, conforming rough limit
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Comparison between data 25 and present model
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Micro-, macro-, and joint thermal resistances for data set T3
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Range of roughness parameter α for experimental data used in comparison
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Comparison between general model and nonconforming rough data
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Comparison of general model with all data




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