中国高速铁路隧道气动效应研究进展

马伟斌; 张千里; 刘艳青

doi:10.19818/j.cnki.1671-1637.2012.04.004

中国高速铁路隧道气动效应研究进展

doi: 10.19818/j.cnki.1671-1637.2012.04.004

1.
中国铁道科学研究院铁道建筑研究所, 北京 100081
2.
铁科院北京工程咨询有限公司, 北京 100081

基金项目:

铁道部科技研究开发计划项目 Z2009-073

铁道部科技研究开发计划项目 2012G013-D

详细信息

作者简介:
马伟斌(1977-), 男, 山东无棣人, 中国铁道科学研究院副研究员, 工学博士, 从事高速铁路隧道气动效应研究

中图分类号: U459.1
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出版历程
- 收稿日期: 2012-02-12
- 刊出日期: 2012-08-25

Study evolvement of high-speed railway tunnel aerodynamic effect in China

1.
Railway Engineering Research Institue, China Academy of Railway Sciences, Beijing 100081, China
2.
Beijing Engineering Consulting Co. Ltd. of CARS, Beijing 100081, China

More Information

Author Bio:
MA Wei-bin (1977-), male, associate researcher, PhD, +86-10-51874379, dwangfei@163.com

摘要

摘要: 论述了现场实车试验、数值仿真计算和室内模型试验等高速铁路隧道气动效应的研究方法, 分析了隧道气动效应的影响因素, 系统研究了动车组通过隧道及交会条件下车体内和隧道内瞬变压力与洞口微气压波随速度的变化规律、缓冲结构的设置条件、隧道附加阻力的计算方法、隧道内辅助设施所承受的气动荷载要求以及长大隧道远程测试控制技术和隧道内精确交会控制方法。研究结果表明: 高速列车通过隧道引起的气动效应直接影响到列车运行的安全性、乘员舒适性以及隧道周边的环境, 是高速铁路隧道设计中必须解决的关键技术问题; 建议提出适合中国国情的隧道内复合型舒适度、微气压波标准, 开展多孔吸能材料、洞口缓冲结构、减压竖井、横通道设计等减缓措施研究。
- 高速铁路隧道 /
- 气动效应 /
- 实车试验 /
- 数值计算 /
- 模型试验
Abstract: The research methods of high-speed railway tunnel aerodynamic effect, such as field test, numerical simulation computation and indoor model test, were dissertated.The influence factors of tunnel aerodynamic effect were analyzed.The variation laws of transient pressures in train and tunnel and micro-pressure waves outside tunnel with different velocities, buffer structure setting conditions, the calculating method of additional air resistance in tunnel, the aerodynamic load requirements of tunnel subsidiary facilities, remote testing and control technology in large-scale tunnel, the accurate control method of train passing in tunnel were systematically studied when high-speed train set went through tunnel and rendezvoused in tunnel.Analysis result shows that the aerodynamic effect produced by high-speed train set through tunnel directly affects train security, passenger comfort and tunnel surrounding environment, it is the key technical problem that must be solved in the design of high-speed railway tunnel.Composite comfort and micro-pressure wave standards that are suitable for China are suggested, the researches on micro-pressure wave mitigative measures such as porous energy-absorbing materials, the buffer structure of tunnel hole, decompression shaft, cross-channel design should be carried out.
- high-speed railway tunnel /
- aerodynamic effect /
- real train test /
- numerical computation /
- model test

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图 1 隧道计算模型网格

Figure 1. Mesh of tunnel calculating model

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图 2 列车驶入隧道瞬变压力

Figure 2. Transient pressure when train enters tunnel

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图 3 瞬变压力对比

Figure 3. Comparison of transient pressures

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图 4 测试系统

Figure 4. Test system

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图 5 L_crtu与v关系

Figure 5. Relationship between Lcrtuand v

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图 6 a、b与L的关系

Figure 6. Relationship among a, b and L

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图 7 微气压波与速度关系曲线

Figure 7. Relationship curves between velocities and micro-pressure waves

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图 8 隧道长度与洞口微气压波关系曲线

Figure 8. Relationship curves between tunnel lengths and micro-pressure waves

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表 1 高速铁路隧道空气动力学效应涉及的科学问题

Table 1. Scientific issues involved in aerodynamic effect of high-speed railway tunnel

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参考文献(12)

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