Investigation of heat transfer modes across a flat metallic interface
Reams, Benton Edgington
Spry, Warren Lewis
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The thermal conductance of a flat aluminum joint was investigated under high vacuum and with air at atmospheric pressure as an included medium while varying flatness, surface roughness and "apparent" contact pressure. The conductances resulting from conduction through the included medium and conduction through the metallic contacts were found to be of the same order of magnitude. Conductance resulting from radiation was found to be negligible.