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The emergency braking distance of a high-speed train at 320 km/h is almost 3000 m. Dry running brakes are reliable due to their predictable response to external stresses and are thus used in such applications. The kinetic energy is dissipated proportionally between the brake disc and the brake pad. This induced dissipation of energy and the high frequency of the brake application cause high temperatures. During the brake application at relatively high energy levels, the occurrence of the hot-spot phenomena can be observed.



RWTH Aachen University (1) - Abdelkrim Lamjahdy, Nabil Moussa, Matthias Hirtz, Dieter Weichert Hubertus Murrenhoff, Bernd Markert(1,3)

Simulation Of Thermal Gradients On Hot Bands Of Disc Brakes

EB2015-TEF-006 • Paper • EuroBrake 2015 • TEF

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