Friction-induced vibration and noise performance of high-speed train friction braking under the evolution of residual height of friction block

被引：14
作者：
Xiang, Z. Y. [1 ]
Xie, S. L. [1 ]
Li, S. J. [1 ]
Zhang, J. K. [1 ]
Wang, Q. [2 ]
Zhu, S. [3 ]
Zhai, C. Z. [3 ]
Mo, J. L. [2 ]
机构：
[1] Guangxi Univ, Sch Mech Engn, Nanning 530004, Peoples R China
[2] Southwest Jiaotong Univ, Tract Power State Key Lab, Chengdu 610031, Peoples R China
[3] CRRC Qishuyan Inst Co LTD, Changzhou 213011, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 187卷
基金：
中国国家自然科学基金;
关键词：
Vibration and noise; Residual height; Friction block; High-speed train; FINITE-ELEMENT-ANALYSIS; EXCITED VIBRATION; WEAR; SQUEAL; PAD; INSTABILITY; SIMULATION; SYSTEM; MODEL; PREDICTION;
D O I：
10.1016/j.triboint.2023.108770
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The friction block height of high-speed trains decreases with service time. However, the influence of height on friction-induced vibration and noise (FIVN) is unclear. Therefore, we conducted friction braking tests of blocks with different heights. A finite element model and a numerical model were established to evaluate the structure and motion characteristics of the block and the effects of its height on FIVN. The results show that blocks with greater height exhibit greater eccentric wear, resulting in stronger FIVN. The block inclined state causes contact pressure to concentrate at the leading edge, which is the main cause of eccentric wear. The block height, the inclination angle, and the resulting eccentric wear significantly affect the braking system stability and FIVN characteristics.
引用
收藏
页数：21
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