The influence of low atmospheric pressure on carbon monoxide of n-heptane pool fires.
The influence of low atmospheric pressure on carbon monoxide of n-heptane pool fires.
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DOI：
10.1016/j.jhazmat.2007.10.058
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发表时间：
2008-06
影响因子：
13.6
通讯作者：
F. Jun;Chunlong Yu;Tu Ran;Lifeng Qiao;Yong-ming Zhang;Jin-jun Wang
中科院分区：
文献类型：
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作者：
F. Jun;Chunlong Yu;Tu Ran;Lifeng Qiao;Yong-ming Zhang;Jin-jun Wang
对气压对火灾羽流中气体浓度的影响进行了定性的理论分析，并分别在拉萨和合肥的一个小房间和一个标准房间内进行了不同尺度的正庚烷池火灾实验。实验结果表明，在拉萨，小房间和标准房间的平均质量燃烧速率均降低，燃烧时间分别比合肥增加约53%和45%。而CO浓度的最大变化，在小房间，在拉萨，CO浓度达到约两倍大的峰值比合肥更大的增长率。而在标准室内，拉萨和合肥的CO浓度变化不大，与理论分析结果吻合较好。
Qualitative theoretical analysis about air pressure influence upon the gas concentration of a fire plume was given, different scale n-heptane pool fires were conducted in a small and a standard compartment room in Lhasa and Hefei, respectively. The experimental results show that, in Lhasa, the average mass burning rates in the small room and the standard room both decrease, burning time increases at about 53% in small room and 45% in standard room more than in Hefei. Whereas for maximum changes of CO concentration, in the small room, in Lhasa, CO concentrations reach about twice bigger peak values at larger increase rates than in Hefei. While in the standard room, in Lhasa and Hefei, there are no significant changes for CO concentration, which agrees well with the theoretical analysis results.