Low-Speed Stop and Near Zero-Speed Start-to-Move Brake Noise: Effect of Moisture Adsorption, Prior Braking and Deceleration Rate

2024-01-3057

To be published on 09/08/2024

Event
Brake Colloquium & Exhibition - 42nd Annual
Authors Abstract
Content
The influence of moisture adsorption, prior braking conditions and deceleration rates on the low-speed braking noise has been investigated, using copper-free disc pads on a passenger car. With increasing moisture adsorption time, decreasing severity of prior braking or increasing deceleration rate, the noise sound level increases for the air-borne exterior noise as well as for the structure-borne interior noise. The near-end stop noise and the near zero-speed start-to-move noise show a good correlation. Also, a good correlation is found between the noise measured on a noise dynamometer and on a vehicle for the air-borne noise. All the variables need to be precisely controlled to achieve repeatable and reliable results for dynamometer and vehicle braking noise tests.
Meta TagsDetails
Citation
Sriwiboon, M., Rhee, S., Sukultanasorn, J., and Kunthong, J., "Low-Speed Stop and Near Zero-Speed Start-to-Move Brake Noise: Effect of Moisture Adsorption, Prior Braking and Deceleration Rate," SAE Technical Paper 2024-01-3057, 2024, .
Additional Details
Publisher
Published
To be published on Sep 8, 2024
Product Code
2024-01-3057
Content Type
Technical Paper
Language
English