Bay winds and train aerodynamic effects of high-speed railways at tunnel portals

Wu Qiang; Zeng Qing; Meng Qingyu; Huo Fei; Yang Weichao

doi:10.7638/kqdlxxb-2025.0083

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Bay winds and train aerodynamic effects of high-speed railways at tunnel portals

更新时间：2026-10-14

- Bay winds and train aerodynamic effects of high-speed railways at tunnel portals
- Vol. 44, Issue 8, Pages: 93-102(2026)
- 作者机构：
  
  1. 中国铁路设计集团有限公司,天津,300142
  2. 中南大学土木工程学院,长沙,410075
  3. 高速铁路建造技术国家工程研究中心,长沙,410075
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2025.0083
  CLC： U25
- Published：2026
- 稿件说明：
移动端阅览
吴强, 曾青, 孟庆余, 等. 高速铁路隧道洞口海湾风与列车气动效应[J]. 空气动力学学报, 2026, 44(8): 93−102.

Wu Qiang, Zeng Qing, Meng Qingyu, et al. Bay winds and train aerodynamic effects of high-speed railways at tunnel portals[J]. 2026, 44(8): 93-102.
吴强, 曾青, 孟庆余, 等. 高速铁路隧道洞口海湾风与列车气动效应[J]. 空气动力学学报, 2026, 44(8): 93−102. DOI： 10.7638/kqdlxxb-2025.0083

Wu Qiang, Zeng Qing, Meng Qingyu, et al. Bay winds and train aerodynamic effects of high-speed railways at tunnel portals[J]. 2026, 44(8): 93-102. DOI： 10.7638/kqdlxxb-2025.0083.

摘要

我国沿海地区极端风事件频发，高速列车在强风作用下经过隧道洞口时的空气动力学性能面临严峻挑战。本文基于RNG

模型和滑移网格技术，建立了考虑实际地形和高速铁路隧道结构的计算流体力学预测模型，动态模拟了高速列车在风速20 m/s条件下以350 km/h车速穿越隧道洞口的过程。模型中计及了斜切式隧道洞门和路堤地形对列车气动效应的影响，并全面分析了12种不同风向（0°～330°内，每隔30°变化一次）来流条件下隧道洞口流场分布特征。结果发现：来流风向角对隧道洞口平均风速具有显著影响，90°（正西）和270°（正东）风向角下气流经山体坡面产生加速效应，洞口平均风速较来流分别增大26.5%和29.0%，达到25.3 m/s和25.8 m/s；120°和150°风向角下地形阻挡效应最为显著，洞口平均风速分别降低56.5%和51.5%，对应幅值为11.3 m/s和10.3 m/s；列车经过隧道洞口时气动荷载剧烈波动，且头车波动幅值显著高于中车和尾车，头车气动荷载波动幅度分别为中车的1.34～4.34倍、尾车的2.27～5.66倍；路堤高度与列车气动荷载波动幅值呈显著正相关，可采用线性函数描述，拟合优度

达0.89以上。本研究可为沿海地区高速铁路的线路和抗风设计提供参考。

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references

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