Transient Temperature Field Analysis of FGM Brake Disk and Pad as a Symmetric Three-Dimensional Model

Document Type : Propulsion and Heat Transfer

Authors

1 Corresponding author: Assistant Professor, Faculty of Engineering, Malayer University, Malayer, Iran

2 MSc, Faculty of Engineering, Malayer University, Malayer, Iran

Abstract

The accurate performance of the braking system in all driving conditions is significantly effective in saving the life of the car's occupants. The disk and pad braking system is regarded as one of the friction braking systems. Employing the FGM disks and pads, the improvement of heat transfer and thermal properties of the braking system is investigated in this research. In order to specify the contact temperature distribution on the work surface of the brake, a three-dimensional analytical model is considered. Using the FEM, the temperature range of the disk with the appropriate thermal boundary conditions is determined based on the effects of the pad as a heat source. Following the power law of distribution, the material properties of the brake disk components change within the thickness and the effect of disk and pad properties on the thermal analysis results is examined. As stated in this research, selecting FGM structure only for the disk and once for the disk and pad with layers of the specified materials, the heat transfer rate can be raised, and the heat damage can be minimized. The maximum temperature in the FGM structure is 324 °C; however, in the previous research, this value is 272 °C and the slope of the temperature reduction in the FGM structure is more significant compared to the non-FGM structure which indicates the capability of the FGM structure to improve heat transfer resulting from braking.

Keywords

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References

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Aerospace Mechanics
Volume 18, Issue 1 - Serial Number 67
Serial No. 67, Spring Quarterly
July 2022
Pages 41-52

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History

  • Receive Date: 16 February 2021
  • Revise Date: 23 October 2021
  • Accept Date: 17 November 2021
  • Publish Date: 21 April 2022

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