狭长空间火灾烟气传输的准稳态时间模型

汪金辉, 黄意钧, 崔欣, 张少刚, 张睿卿

Quasi-Steady State Time Model of Fire Smoke Transmission in Long-Narrow Spaces

WANG Jinhui, HUANG Yijun, CUI Xin, ZHANG Shaogang, ZHANG Ruiqing

表2 不同火灾场景下延滞时间计算

Tab.2 Calculation of lag time in different fire scenarios

${\overset{\cdot}{Q}}_{0}$ /kW	H/m	r/m	l_b/m	t_lag/s
0.2	3.9	4.8	0.8	43.9
0.5	2.5	3.1	0.5	18.3
0.7	3.7	4.5	0.8	26.3
0.8	2.6	3.3	0.6	16.3
1.2	3.2	4	0.7	18.7
1.3	3.4	4.2	0.7	19.3
1.5	3.7	8.6	1.2	43.8
1.0	3.4	7.8	1.1	43.8
0.8	2.1	4.8	0.7	25.0
0.6	3.2	7.5	1.0	49.2
1.1	3.9	12.4	1.8	79.1
0.9	3.5	11.1	1.6	72.8
0.8	3.6	11.5	1.6	80.5
1.4	2.6	5.2	1.3	25.6
0.7	3.3	6.6	1.7	44.7
0.8	1.9	3.8	1.0	20.2
0.2	3.1	6.2	1.6	61.8
0.7	2.7	6.3	1.4	40.5
0.3	2.9	6.9	1.6	61.0
2.1	3.5	8.3	1.9	40.7
0.2	2.6	6.2	1.4	61.2
0.9	3.1	7.3	1.7	46.6
0.2	2.5	6.0	1.4	57.8
2.0	3.4	8.0	1.8	39.4
0.7	2.2	5.3	1.2	32.4
1.1	2.2	2.8	0.9	12.7
0.2	2.2	2.8	0.9	22.4
0.9	2.2	2.8	0.9	13.8
0.4	2.2	2.8	0.9	18.6
1.5	2.2	2.8	0.9	11.4
0.7	2.2	2.8	0.9	14.7