Browse Publications Technical Papers 2010-01-1693
2010-10-10

Effect of Dimensions on Vibration-Damping Capacity of a Brake Disc 2010-01-1693

Regarding the vibrational characteristics of a brake disc causing brake squeal, there are two factors: eigenmode alignment (or natural frequencies) and damping capacity. Focusing on the effects of dimensions on damping capacity of a brake disc, intensive CAE experiments for analyzing the effects were conducted. It was found that disc damping capacity can be increased independently of natural frequency by modifying disc dimensions. It was also found that peak accelerance obtained from a frequency-response function of a brake disc is an effective parameter for evaluating damping capacity of a brake disc.

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