横风下高速列车转向架积雪特性研究

doi:10.3901/JME.260568

摘要/Abstract

摘要： 为研究风雪环境下高速列车转向架表面雪粒的沉积特性，基于Euler-Lagrange方法建立高速列车转向架风雪多相流数值计算模型。该模型综合考虑气流扰动、雪粒惯性效应及颗粒-壁面相互作用机制，结合高速列车典型工况，模拟分析不同横风风速下的风雪流场演化及雪粒运动轨迹，重点研究风雪环境对高速列车头车转向架积雪特性的影响。研究结果表明：在横风作用下，一位端转向架的主要积雪区域位于转向架的背风侧，且随着横风风速的增大主要积雪区域向转向架背风侧偏移。相较之下，横风风速对二位端转向架上的积雪分布影响较小，积雪量较多的区域位置基本保持不变。此外，随着横风风速的增大，头车两个转向架上的积雪量均呈现出一定程度的减少趋势。在相同的风雪条件下，二位端转向架上的积雪量显著高于一位端转向架。

关键词: 高速列车, 风雪环境, 多相流, 积雪量

Abstract: To study the snow deposition characteristics on the surface of high-speed train bogies in crosswind environments, a numerical calculation model of wind-snow multiphase flow on high-speed train bogies is established using the Euler Lagrange method. This model comprehensively considers airflow disturbance, snow particle inertia effect, and particle wall interaction mechanism. Numerical calculations of wind-snow multiphase flow on high-speed train bogies are carried out for different crosswind speeds, and the influence of wind-snow environment on the snow accumulation characteristics of high-speed train bogie is studied. The research results indicate that under crosswind, the main snow accumulation region of the first bogie is located on the leeward side of the bogie, and as the crosswind speed increases, the main snow accumulation region shifts towards the leeward side of the bogie. In contrast, crosswind speed has a relatively small impact on the snow distribution on the second bogie, and the location of region with more snow remains basically unchanged. As the crosswind speed increases, the snow accretion on both bogies of the head car decreases. Under the same wind-snow conditions, the snow accretion on the second bogie is significantly higher than that on the first bogie.

Key words: high-speed train, wind and snow environment, multiphase flow, snow accretion

中图分类号:

U270

杜智慧, 于梦阁, 姚秀龙, 刘加利. 横风下高速列车转向架积雪特性研究[J]. 机械工程学报, 2026, 62(12): 334-347.

DU Zhihui, YU Mengge, YAO Xiulong, LIU Jiali. Study on the Snow Accumulation Characteristics of the High-speed Train Bogie under Crosswinds[J]. Journal of Mechanical Engineering, 2026, 62(12): 334-347.

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http://www.cjmenet.com.cn/CN/Y2026/V62/I12/334

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