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

页码：171 / 181

页数：11

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