Browse Publications Technical Papers 380148
1938-01-01

Fundamentals of Heat Transmission Applied to Automotive Brakes 380148

MODERN developments in the automobile industry have created a paradox. On the one hand, increased speeds have placed greater demands on the brakes whereas, on the other hand, the trend toward streamlining has greatly handicapped brake performance. As a result brake drum and wheel diameters have been reduced and the flow of air to the brakes has been restricted by shrouding them with wheels and skirted fenders.
In the solution of brake heat-transmission problems, the subject is considered under the following headings: the amount of heat generated; the manner and rate of heat flow into the brake; and the manner and rate of heat flow out of the brake. Heat-transmission calculations of specific examples are made that indicate the amount of heat dissipated by conduction, radiation, and convection.

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