| MEASUREMENT OF THE DISC-PAD FRICTION COEFFICIENT FOR MECHANICAL BRAKES USING DIRECT AND INDIRECT METHODS |
| Y.-G. KIM1, S.-W. KIM1, C.-K. PARK1, T.-W. PARK2, Y.-M. KIM2 |
1Korea Railroad Research Institute
2Ajou University |
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| ABSTRACT |
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It is necessary to guarantee the proper brake force to stop a train safely in a limited distance and o adjust its speed. Currently, most trains are run by electrical power and have a combined electrical and mechanical (friction) braking system. The mechanical brake force is determined by many parameters, such as the friction coefficient of the brake disc and pad, the pressure in the brake cylinder, the brake cylinder |
| Key Words:
Disc brake, Friction coefficient, Brake force, Clapping force, Gradient resistance, Korean high-speed train (HSR-350x). |
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