Abstract
The physical nature of the thermal resistance at a contact between rough metal surfaces is considered. By analogy with the thermal resistance of a plate having a variable cross section and also by analogy with the identical form of Ohm's and Fourier's laws, an expression is derived for the thermal resistance of such a contact. Experiments are carried out to determine the thermal resistance of a contact in vacuo and in air. These investigations show that the calculated values of thermal contact resistance are in satisfactory agreement with experiment.
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