Abstract
The prevention and control of wind-induced snow disasters in traffic lines are significant for ensuring traffic operation in high-latitude, cold areas. Many unsolved problems still exist due to the complicated mechanism of snowdrift formation. Wind-guiding measures may effectively reduce drifting snow disasters in traffic lines. By using computational fluid dynamics (CFD), the effects of three wind deflectors (vertical, backward, and forward types) on wind-induced snow accumulation in a typical cutting are discussed. We analyze the effect of the wind deflector on reducing snow deposition in terms of the flow field, deposition length, and snow facies concentration. The results show that the inclination angle of the wind deflector is a key parameter that affects snow disaster prevention. It is recommended that a forward-inclined wind deflector should be selected in practice, and the angle between the wind deflector and vertical axis should be controlled at approximately 45°.
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