摘 要:为了评估低风阻高铁隧道贴壁天线在使用过程中的安全性和可靠性,文章依据高铁隧道贴壁天线的实际安装及使用环境,建立了“列车 - 隧道”模型,运用计算流体动力学(CFD)仿真技术,分析高铁隧道内的环境工况,并对贴壁天线结构进行受力仿真校核分析及对比,得出高铁隧道贴壁天线在极限风压附加荷载综合作用下,可以满足长期稳定使用的需要。
关键词:低风阻;高铁;隧道天线;CFD;仿真分析
DOI:10.19850/j.cnki.2096-4706.2022.24.014
中图分类号:TP391.9 文献标识码:A 文章编号:2096-4706(2022)24-0057-05
CFD Simulation Analysis of a Low Wind Resistance High-Speed Railway Tunnel Antenna
XIAO Fei, TENG Xu, HUANG Liwen, LIU Yongjun, BU Binlong
(Comba Telecom Technology (Guangzhou) Co., Ltd., Guangzhou 510663, China)
Abstract: In Order To Evaluate The Safety And Reliability Of The Wall Attached Antenna In The High-Speed Railway Tunnel With Low Wind Resistance, This Paper Establishes A“Train-Tunnel”Model Based On The Actual Installation And Use Environment Of The Wall Attached Antenna In The High-Speed Railway Tunnel, Uses Computational Fluid Dynamics (CFD) Simulation Technology To Analyze The Environmental Conditions In The High-Speed Railway Tunnel, And Carries Out Force Simulation, Check, Analysis And Comparison Of The Wall Attached Antenna Structure. It Is Concluded That The High-Speed Railway Tunnel Wall Attached Antenna Can Meet The Needs Of Long-Term Stable Use Under The Combined Action Of The Extreme Wind Pressure Additional Load.
Keywords: low wind resistance; high-speed railway; tunnel antenna; CFD; simulation analysis
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作者简介:肖飞(1978—),男,汉族,辽宁铁岭人,中级工程师,天馈研究院副院长,硕士研究生,研究方向:基站天线结构及工艺设计。