Abstract
In this article, the method of thermal diagnostics of friction is proposed for evaluating the friction power by temperature data. The method is based on the inverse boundary-value problem solving of heat exchange and applied to the sliding bearings with rotary and reciprocating rotary shaft motion. The simplified mathematical models of the thermal process in a radial sliding bearing and their bounds of applicability have been defined. The results of the computational experiments on investigating the temperature field in a bearing with and without regard to the shaft mobility have been presented. The authors have developed the algorithm of recovering the friction heat generation in a bearing by temperature data and showed it's efficiency for the thermal diagnostics of friction.
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