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A Numerical Study on the Thermal Behavior of Various Brake Disc Designs

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The performance of a braking system is a fundamental requirement in both the railway and automotive vehicles. The brake disc is the main component of the braking system; it is considered one of the most critical parts for safety in modern vehicles. The braking performance and the vehicle safety are strongly dependent on the brake disc design ensuring the conversion of the kinetic energy of a moving vehicle into thermal energy dissipated in form of heat. In this work, a complete thermal analysis is proposed in order to identify the behavior of three different designs of brake discs under coupled mechanical and thermal loads. By simulating the condition of normal braking, the temperature distribution and variation are obtained using the numerical simulation for each brake disc. A comparison of simulation results is exposed to evaluate the effect of ventilation system design on the thermal behavior of the studied brake discs.
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Brake Disc; Design; Numerical Simulation; Thermal Behavior

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