Abstract
This paper presents a study of the thermal constriction phenomenon, arising from dry friction between two solids. The contact area is assimilated to a square shaped surface. The thermal constriction resistance is evaluated using moving sources theory while considering a single asperity model. The analysis of the heat transfer equation terms has shown the possibility of predicting the evolution of this resistance for high reduced velocities ( V ∗ ⪢ 1 ). The approached model resulting from this configuration allows to estimate easily the constriction resistance for both uniform and non uniform loadings. A correlation is proposed to calculate the constriction resistance for all velocities.
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