Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference (한국윤활학회:학술대회논문집)
- 1999.06a
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- Pages.332-338
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- 1999
Numerical Study on the Thermal Distortions of Ventilated Disk Brakes Due to Air Cooling Effects
벤틸레이티드 디스크 브레이크에서 공냉효과가 열변형 거동에 미치는 영향에 관한 수치적 연구
Abstract
A coupled thermal-mechanical analysis has been presented for the thermal distortions of the ventilated disk brakes during IS braking operations. The FEM results show that the bendings and distortions of the disk toward the left side are decreased, but the sinusoidal distortion of the disk rubbing surface along the arc length of the vent hole is highly increased by increasing the convective air cooling effects, which is heavily related to the squeal, wear and micro-thermal crackings at the rubbing surfaces due to uneven dissipation rates of friction heatings.
Keywords
- ventilated disk brake;
- pad;
- thermoelastic wear;
- frictional heating;
- braking mode;
- thermal distortion;
- tribology