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August 1, 2025Physics of Fluids

Influence of wind barriers on the aerodynamic forces of trains on a bridge deck at different attack angles

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Authors

ZLZ. LinSouthwest Jiaotong UniversityMLMing LiHarbin Engineering UniversityMLMingshui LiScience and Technology Department of Sichuan Province

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Overview

Analysis demonstrates how wind barriers affect aerodynamic forces in train operations, suggesting improvements in design.

Key Points

  • Aerodynamic forces vary significantly with angles of attack, particularly at non-zero values, affecting train stability.
  • Wind tunnel tests and computational fluid dynamics revealed pressure distributions impacting train performance on a bridge deck.
  • Installation of wind barriers minimizes differences in aerodynamic forces between head and middle train cars across various angles.
  • Findings indicate that enhancing shear layer thickness through wind barriers reduces side forces and rolling moments during train crossings.

Cite This Study

Lin et al. (2025) studied this question.

synapsesocial.com/papers/68af63ddad7bf08b1eae4173https://doi.org/10.1063/5.0284788
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