Optimal design and verification through bench experiment to secure structural stability and improve thermodynamic performance of ventilated brake disc

Author:

Park Soojin1,Sun Di1,Jang Changhwan2,Kim Jinho1ORCID

Affiliation:

1. Department of Mechanical Engineering, Yeungnam University, Gyeongsan, Korea

2. Division of Smart Construction and Environmental Engineering, Daejin University, Pocheon, Korea

Abstract

In this study, the thermodynamic performance of a ventilated brake disc was improved by securing structural stability and verified through bench experiments. A brake disc is a braking device that decelerates a vehicle or stops it, and the disc should maintain a reliable braking force. The temperature rise on the disc surface has the greatest effect on the braking force. In recent years, many studies have been conducted on the shape of the disc in order to secure stable braking force and heat dissipation at the same time. However, as the disc surface is processed further, it becomes more difficult to have stable braking force, although the heat dissipation property is improved. Therefore, in this study, disc shapes were designed to improve heat dissipation performance while maintaining structural performance. The stress and temperature distribution were analyzed using ANSYS and optimal design of disc shapes was performed through PIAnO. In addition, to compare and verify the initial model and the optimized model, a prototype was fabricated to judge the feasibility of the optimization using a dynamometer. It can be expected that the heat dissipation performance and driving safety can be improved by using new brake discs.

Funder

national research foundation of korea

Korean government

Publisher

SAGE Publications

Subject

Mechanical Engineering

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