Transient Temperatures in Brake Drums and Linings

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Abstract
A solution is given to the problem of heat conduction in an infinite slab when one face is subjected to a thermal flux which decreases linearly with time, while at the other face there is no flow of heat. This solution can be used to determine the transient temperatures reached during braking with uniform deceleration. Typical curves showing the agreement between temperatures determined theoretically and experimentally at varying depths inside a brake lining during single brake applications are given. The problem of repetitive braking at regular intervals is also discussed and a comparison of theoretical and experimental temperature measurements is made. The effect of a nonuniform pressure distributed circumferentially along the lining is also considered in an appendix.

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