摘要
以某典型高校食堂为研究对象,在0%~10%窗地比范围内设立6种不同火灾场景,定性定量分析窗地比对火灾烟气的温度、能见度、烟气层高度的影响。研究结果表明:火场温度、能见度、烟气层高度等与窗地比呈非线性关系,且空间越小,窗地比对火羽流影响越大;窗户全部关闭为火灾最不利状况,该条件下,火源位于厨房和用餐区的可用疏散时间分别为420 s和320 s。
A typical college canteen was taken as the research object.Six different fire scenes were set up according to the ratio of windows to ground from 0%~10%.Qualitative and quantitative analysis was made on the influence of the ratio of windows to temperature,visibility and height of layer.The results showed that:there is a nonlinear relationship between the temperature,visibility,the height of layer and the ratio of the windows to ground,and the smaller the space is,the greater the influence of the window to ground ratio caused;all the windows closed is the most dangerous situation,Available Safe Egress Time are respectively 420 s and 320 s under the condition of fire in the kitchen and dining area.
作者
程友鹏
朱杰
马金梅
CHENG You-peng;ZHU Jie;MA Jin-mei(Research Institute of Fire Engineering,Sichuan Normal University,Sichuan Chengdu 610101,China;Provincial Key Laboratory of Public Fire Prevention and Control Technology,Sichuan Chengdu 610101,China)
出处
《消防科学与技术》
CAS
北大核心
2018年第7期892-896,共5页
Fire Science and Technology
基金
国家自然科学基金青年基金项目(5150060795)
四川省科技支撑计划项目(2011SZ0242)
四川省教育厅项目(12ZB114)
关键词
建筑防火
数值模拟
烟气控制
安全疏散
building fire prevention
mathematical simulation
smoke control
safety evacuation
