Study on the Snow Accumulation Characteristics of the High-speed Train Bogie under Crosswinds

doi:10.3901/JME.260568

Abstract

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

CLC Number:

U270

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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