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72 Curved Fin Rotor Design Reduces Maximum Rotor Temperature
Technical Paper
1999-01-3395
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Hayes Lemmerz has published papers (Ref 1 and 2 ) where different rotor designs were investigated to increase airflow velocity. We also have published the dynamometer test's data to show the 100 degrees F drop in temperature and 50% drop in deformation in rotors with 5% increase in airflow velocity (Ref 3). In the previous paper (Ref 4), the increase of 37.2% of airflow velocity in a 72 curved fin rotor design, was shown. In this paper, we are showing the results of dynamometer testing the 72 curved fin rotor design. When the 72 curve fin rotor design is compared to current production design, the 72 curve fin rotor design shows, a 140° F (60° C) drop in temperature during heating and cooling cycles. Hayes Lemmerz is testing this rotor design on standard vehicle tests ( LACT and DST). The results of these tests would be presented in another paper.
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Citation
Daudi, A., "72 Curved Fin Rotor Design Reduces Maximum Rotor Temperature," SAE Technical Paper 1999-01-3395, 1999, https://doi.org/10.4271/1999-01-3395.Also In
References
- “Disc Brake Rotor Design for increased Airflow” Daudi Anwar Dickerson Wes 15th SAE Brake Colloquium Oct 8 1997
- “Hayes increased airflow rotor design” Daudi A. R. Dickerson W. E. Narian M. 127 Automotive Braking Professional Eng. Publishing Ltd. London, UK 1998
- “Hayes High Airflow Design Rotor for Improved Thermal Cooling and Coning” Daudi Anwar R SAE # 982248
- “72 Curved Fins and Air Director Idea Increases Airflow through Brake Rotors” Daudi Anwar R. SAE # 1999-01-0140