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Technical Paper

Performance Comparison of Different Chamber designs for Ventilated Disk Brake

2017-11-07
2017-36-0240
Environment concerns lead the automakers to invest resources and put research in engine downsize to reduce carbon emission. Turbo charge is a possibility due to its fuel consumption and emission reduction without compromise the performance. Nowadays, it is becoming common observe high performance small cars due to high torque and power available. In consequence, brake system need to dissipate more kinetic energy without adding mass or costs. Modern passenger cars require a high-speed brake system. To achieve proper brake system cooling, the rotor must be ventilated and designed to optimize the energy dissipated, which is generated by friction between pad and disk. Some approaches consider the rotor as a centrifugal air pump and the design rule is to improve the airflow inside the vanes. The approach considering a brake rotor similar to centrifugal air pump rotor may be considered as limited approach, once it simplifies the heat transfer phenomena inside chamber.
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