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Issue:
Discussion about Safe Velocity of On-fire Train in Subway Tunnel
Author(s):
QU Lu
,
CHEN Chao
,
YANG Ying-xia
,
REN Ming-liang
Pages:
832
-
836
Year:
2007
Issue:
5
Journal:
CHINESE JOURNAL OF UNDERGROUND SPACE AND ENGINEERING
Keyword:
地铁列车
;
区间隧道
;
火灾
;
安全行驶速度
;
数值模拟
;
Abstract:
当地铁列车在区间隧道内发生火灾时,现行的关于地铁列车区间隧道着火时的应急对策是:如果列车的条件允许,尽量驶到下一个车站,利用前方车站疏散乘客.本研究运用计算流体力学(CFD)的方法,对运行中地铁列车周围不同部位的相对风速及其速度场分布特性进行了模拟分析;重点讨论了当地铁列车区间隧道着火时,考虑到风助火势的影响,行进中地铁列车的行驶速度对火势蔓延的影响;进而对地铁列车区间隧道着火时的安全行驶速度进行了初步的探讨.
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