Numerical Research of the Snow and Ice Accumulation in the Bogie Region of High-speed Train

被引：0

作者：

Lou Z. ^{[1
]}

Cai L. ^{[2
]}

Li T. ^{[1
]}

Zhang J. ^{[1
]}

机构：

[1] State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu

[2] School of Rail Transportation, Hunan University of Technology, Zhuzhou

来源：

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2023年 / 59卷 / 12期

关键词：

collection efficiency; graze ice model; high-speed train; ice accretion; trailer bogie;

D O I：

10.3901/JME.2023.12.343

中图分类号：

学科分类号：

摘要：

The ice is easy accretes in the bogie regions when the high-speed train runs in the low-temperature rain and snow environment, which can deteriorated the dynamic performance of the bogie and seriously threatened the train running safety. The quasi-transient method is used to study the icing process in the trailer bogie region of high-speed train. Icing process is divided into multiple computational cycles, which mainly include mesh generation, flow field calculation, water drop and snow calculation, ice accretion on bogies and mesh deformation in this quasi-transient method. The ice accretion process is simulate by the glaze ice model based on the wall water film flow. Three times of ice accumulation simulation are carried out. The distribution and collection coefficient of droplets and snow particles on each bogie component were studied. The ice mass of each bogie component and the relationship between the ice accretion rate and time were analyzed. The results showed that ice accretion in the bogie region is mainly distributed on the bogie bottom windward surface (bottom of the frame, bottom of the front and rear braking devices), vertical dampers and anti-yaw dampers on both sides of the bogie, rear braking devices, upper surface of the traction beam, axle box, etc. The ice accretion on the frame, traction beam, front and rear brake devices accounts for about 60% of the total ice mass of the bogie. The total ice accretion rate on the bogie region increased continuously during the three calculation cycles. © 2023 Editorial Office of Chinese Journal of Mechanical Engineering. All rights reserved.

引用

页码：343 / 353

页数：10

共 26 条

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