Effects of vent shaft location on the ventilation performance in a subway tunnel

被引：75
|
作者：
Kim, Jung-Yup [2 ]
Kim, Kwang-Yong [1 ]
机构：
[1] Inha Univ, Dept Mech Engn, Inchon 402751, South Korea
[2] Korea Inst Construct Technol, Construct Qual Policy Dept, Koyang 411712, South Korea
来源：
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS | 2009年 / 97卷 / 5-6期
基金：
新加坡国家研究基金会;
关键词：
Subway tunnel; Ventilation performance; Vent shaft; Train-induced flow; Numerical analysis; Moving boundary; Sharp interface method; CARTESIAN GRID METHOD; FLOWS;
D O I：
10.1016/j.jweia.2009.06.002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A computational analysis of a ventilation system in a subway tunnel is carried out by solving 3D Reynolds-averaged Navier-Stokes equations for train-induced unsteady flow using the sharp interface method as the model for the moving boundary of an immersed solid. The ventilation performance is evaluated depending on the location of the vent shaft by analyzing the ventilating flow rate through the shaft and the feature of the flow field in the subway tunnel around the shaft. It is found that the optimum location of the vent shaft with respect to maximizing ventilation performance lies near the station. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：174 / 179
页数：6
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