An Analytical Method to Predict Thermal Distortion of a Brake Rotor

Paper #:
  • 2000-01-0445

Published:
  • 2000-03-06
Citation:
Valvano, T. and Lee, K., "An Analytical Method to Predict Thermal Distortion of a Brake Rotor," SAE Technical Paper 2000-01-0445, 2000, https://doi.org/10.4271/2000-01-0445.
Pages:
8
Abstract:
The severe thermal distortion of a brake rotor can affect important brake system characteristics such as the system response and brake judder propensity. This paper will propose a technique to determine the thermal distortion under transient or steady state conditions. The technique involves utilizing a PC-based computer program to calculate the necessary thermal parameters and apply the results as input to a finite element-based thermal stress analysis. This unique approach provides a reliable methodology to determine the heat input and cooling characteristics of a given brake system in addition to resultant distortion and stress components within the brake rotor. Analysis results are also compared to measured temperature and distortion data.
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