벤틸레이티드 디스크 브레이크의 열응력 해석Thermal Stress Analysis of Ventilated Disc Brake
- Other Titles
- Thermal Stress Analysis of Ventilated Disc Brake
- Authors
- 김양술; 안수철
- Issue Date
- 2008
- Publisher
- 한국안전학회
- Keywords
- disc brake; FEM; thermal stress; temperature distribution
- Citation
- 한국안전학회지, v.23, no.3, pp.25 - 29
- Journal Title
- 한국안전학회지
- Volume
- 23
- Number
- 3
- Start Page
- 25
- End Page
- 29
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/23159
- ISSN
- 1738-3803
- Abstract
- In automotive disc brake system, friction heat is not uniformly distributed due to various reasons such as thermal expansion and imperfections in geometry. It is well known that thermoelastic distortion due to frictional heating affects the contact pressure distribution and can lead to thermoelastic instability, where the contact load is concentrated in one or more small regions on the brake disc surface. These regions then take very high temperatures and passage of hot spots moving under the brake pads can cause low frequency vibration called brake judder.This paper presents the FEM(finite element method) result for the temperature distribution of ventilated disc brake. A steady state two-dimensional model of disc brake system predicts the surface temperatures during a multi-stop driving schedule.
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Collections - College of Science and Technology > Department of Mechanical and Design Engineering > 1. Journal Articles
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