Critical speed enhancement of a Korean high-speed train through optimization with measured wheel profiles

被引：0
|
作者：
Jeon, Chang-Sung [1 ]
Cho, Hong-Shik [1 ]
Park, Choon-Soo [1 ]
Kim, Seog-Won [1 ]
Park, Tae-Won [2 ]
机构：
[1] Korean Railrd Res Inst, Uiwang Si, South Korea
[2] Ajou Univ, Suwon, South Korea
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT | 2018年 / 232卷 / 01期
关键词：
Critical speed; high-speed train; KTX-Sancheon; optimization; suspension;
D O I：
10.1177/0954409716662091
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This study describes the critical speed enhancement of the KTX-Sancheon, a Korean high-speed train, using measured wheel profiles. The wheel wear shape of the commercial high-speed train was measured according to mileage, and the relationship between conicity and mileage was investigated. The critical speed of the KTX-Sancheon power car was analyzed numerically with the measured wheel profiles. The suspension parameters were optimized to increase the critical speed of the KTX-Sancheon. As a result, the critical speed of the power car increased by 34.1% compared to its initial condition. The results are being used for a new design of the power bogie.
引用
收藏
页码：171 / 181
页数：11
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