单相高压与两相雾化方式对地铁车厢火灾抑制效果的对比实验研究  

Comparative experimental study on the fire suppression effect of single-phase high-pressure and two-phase atomization methods in subway carriages

作　　者：董克 胡适 吴敏思 刘傲 赵江月 朱小龙 张平 DONG Ke;HU Shi;WU Minsi;LIU Ao;ZHAO Jiangyue;ZHU Xiaolong;ZHANG Ping(Shenyang 213 Electronic Technology Company Limited,Shenyang 110027,China;State Key Laboratory of Fire Science,University of Science and Technology of China,Hefei 230026,China;Songjiang District Firefighting and Rescue Brigade,Shanghai Fire and Rescue Corps,Shanghai 201620,China)

机构地区：[1]沈阳二一三电子科技有限公司,沈阳110027 [2]中国科学技术大学火灾科学国家重点实验室,合肥230026 [3]上海消防救援总队松江区消防救援支队,上海201620

出　　处：《火灾科学（中英文）》2024年第2期123-136,共14页Fire Safety Science

基　　金：国家自然科学基金项目(No.51176179和51036007)。

摘　　要：目前地铁车厢内细水雾灭火系统以单相高压雾化方式为主,高压管路一旦破损可对乘客生命安全构成潜在威胁。以行李袋和汽油作为燃烧物开展了全尺寸实验研究。分别从冷却能力、热辐射衰减效果及烟气抑制效果方面分析对比了单相雾化和两相雾化方式对车厢内火灾的抑制效果。结果表明单相雾化和两相雾化冷却效果相当,但两相雾化在热辐射衰减、烟气洗消效果方面较高压单相雾化更优,且安全性更好。The existing water mist fire suppression system for metro carriages relies on a single-phase high-pressure atomization technique,and the high-pressure pipeline leakage may endanger the lives of passengers.In this research,a full-scale experimental study was conducted using luggage bags and gasoline as combustibles,thereby the impacts of single-phase atomization and two-phase atomization on the compartment were investigated and compared in terms of cooling capacity,thermal radiation attenuation,and smoke suppression.The results show that single-phase and two-phase atomization have equivalent cooling effects,while two-phase atomization outperforms high-pressure single-phase atomization in the areas of smoke suppression and thermal radiation attenuation,as well as improved safety performance.

关 键 词：轨道交通 车载细水雾系统 两相流 灭控火效果 

分 类 号：X932[环境科学与工程—安全科学]