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Disc Brake Intermittent Squeal Noise Study Using Experimental Techniques Based Systematic Approach
Technical Paper
2000-01-0731
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
This paper provides a systematic approach to identify the root cause of the squeal noise of a disc brake by using advanced experimental tools. Modal analysis was used to identify the modal participation factors when the brake was squealing according to the reproduced squeal phenomenon and acquired operational displacement shape (ODS) using pulsed electronic speckle pattern interferometry. Modal coupling between the disc and pad/caliper assembly is found to be the key to produce squeal. It has been demonstrated that using mass loading/damping can de-couple the modes between the disc and pad/caliper assembly and reduce the assembly vibration from which the squeal is eliminated.
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Authors
Topic
Citation
Chen, F., Chen, S., Her, J., and Harwood, P., "Disc Brake Intermittent Squeal Noise Study Using Experimental Techniques Based Systematic Approach," SAE Technical Paper 2000-01-0731, 2000, https://doi.org/10.4271/2000-01-0731.Also In
References
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