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1 Journal of Theoretical and Applied Mechanics

1 2019

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Effect of the temporal profile of the friction power on temperature of a pad-disc brake system

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Yevtushenko A. , Kuciej M. , Topczewska K.

Journal of Theoretical and Applied Mechanics

2019

tom Vol. 57 nr 2

461--473

A mathematical model to analyse the influence of change of the friction power over time on temperature of a pad-disc tribosystem has been proposed. For this purpose, a boundary- -value problem of heat conduction for two semi-infinite bodies with taking into account heat generation due to friction on the contact surface has been formulated. Exact solutions of this problem were obtained for seven temporal profiles of the specific heat generation power, which were established experimentally. For selected friction materials, numerical analysis of the spatiotemporal temperature distributions and heat fluxes intensities were executed. The obtained results were compared with a corresponding data which were found by means of the known approximate solution.