TECHNICAL PAPERS: Conduction Heat Transfer

Gap Formation and Interfacial Heat Transfer Between Thermoelastic Bodies in Imperfect Contact

[+] Author and Article Information
S. L. Lee, C. R. Ou

Department of Power Mechanical Engineering, National Tsing-Hua University, Hsinchu 30043, Taiwan

J. Heat Transfer 123(2), 205-212 (Jul 12, 2000) (8 pages) doi:10.1115/1.1338133 History: Received January 20, 2000; Revised July 12, 2000
Copyright © 2001 by ASME
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System description and grids for the two-dimensional problem
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A pair of schematic rough surfaces (a) in contact, or (b) when separated
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Interfacial thermal resistance between stainless steel 304 and aluminum 2024-T4
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Result of Gap formation along the interface (note: the two subfigures are for gaps near the corners B and C at τ=0.050, 0.075, and 0.100)
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(a) Result of normal stress σxx at τ=0.009; (b) result of isotherms at τ=0.009
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Result of isotherms at τ=0.005, 0.020, 0.022, and 0.030
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Isotherms, normal stress σxx, displacement (×250), and gap (×250) in steady state
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Result of von Mises stress in steady state




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