EXPERIMENTAL AND NUMERICAL STUDY OF THERMAL ANALYSIS OF HIGH-SPEED FRICTION BRAKING SYSTEM

被引：0
|
作者：
Zhang, Chunmei [1 ]
Li, Yongfeng [1 ]
机构：
[1] Henan Mech & Elect Engn Coll, Dept Mech & Elect Engn, Xinxiang 453002, Peoples R China
来源：
JOURNAL OF ADVANCED MANUFACTURING SYSTEMS | 2011年 / 10卷 / 01期
关键词：
Friction braking system; thermal analysis; critical temperature; variation law;
D O I：
10.1142/S0219686711002077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal analysis can be used as one of the basis for the friction pair material selection in high-speed friction braking system. In this study, the experimental results showed that surface temperature could be reduced by increasing the radius of the friction disk or thermal conductivity coefficient of disk material with stable braking; In the early stage of long braking, the temperature on the friction surface rises rapidly, but further braking does not lead to a significant rise in temperature; In the case of short braking, there is not enough time for the friction surface to reach the critical temperature, and the disk surface reaches the maximum temperature at the end of braking. During long braking, the dimensionless time capacity of the friction surface reaching the highest temperature is F-0 approximate to 0.1F(0)s.
引用
收藏
页码：135 / 142
页数：8
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