轨交地下车站双活塞风井模式速度场特性研究  

Research on Velocity Field Characteristics of Double-piston Air Shaft Mode of Rail Transit Underground Stations

作　　者：郑懿[1] 

机构地区：[1]上海申通地铁集团有限公司技术中心

出　　处：《地下工程与隧道》2014年第3期50-53,57,共4页Underground Engineering and Tunnels

摘　　要：结合上海轨交既有线路地下车站活塞风井系统的课题研究,采用了现场实测、SES和CFD等3种研究方法,探求活塞风井换气效率与风井设置、车况的内在规律。现场实测为数值模拟提供重要的边界条件和有效验证;SES作为专业的轨交环控模拟软件,方便工况设置与调节;CFD侧重于活塞风井系统三维方向上速度、压力变化研究。Considering topic research on piston air shaft systems of underground stations existing in Shanghai Rail Transit,air change efficiency and setup of the air shafts and inherent law of train condition is probed into with on-site actual measurement,SES and CFD.The on-site actual measurement provides important boundary conditions and effective verification for numerical simulation.As professional rail transit environmental control simulation software,SES facilitates setting and adjustment of operating conditions.CFDlays special emphasis on research for three-dimensional upward speed and pressure change of the piston air shaft system.

关 键 词：轨交 通风系统 活塞风井 换气效率 现场实测 数值模拟 SES CFD 

分 类 号：U231.4[交通运输工程—道路与铁道工程]