助燃剂对木垛火燃烧特性影响研究

张小芹,宗若雯,方廷勇,王荣辉,廖光煊

中国工程科学 ›› 2007, Vol. 9 ›› Issue (2) : 90 -97.

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中国工程科学 ›› 2007, Vol. 9 ›› Issue (2) : 90 -97.

助燃剂对木垛火燃烧特性影响研究

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Accelerant Influence on Combustion Characteristics of Woo d Crib Fire

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摘要

采用木垛火作为火源,比较添加与未添加助燃剂两种情况下其燃烧特性,研究助燃剂对可燃物燃烧 特性的影响。实验在符合ISO9705标准的ISO ROOM装置中进行,测量包括热释放速率、质量损失速率、房间内 温度场、烟气中组分的质量分数等多个物性参数。同时对该过程进行了计算机数值模拟,其结果与实验结果符 合较好。

Abstract

Combustion characteristics of wood crib fire under two different conditions, i.e. accelerant added and not added, was studied to investigate the accelerant effect on combustion characteristics of combustible materials. The experiments were carried out in a full-scale room in accordance with ISO9705, where multi-parameters were measured, such as heat release rate, mass loss rate, temperature field and species concentration. At the same time, this process was numerically simulated. The computational results were consistent with experiment data.

关键词

木垛 / 助燃剂 / 全尺寸 / 燃烧特性 / 数值模拟

Key words

wood crib / accelerant / full-scale / combustion characteristics / numerical simulation

Author summay

张小芹(1978-),女,湖北荆州市人,中国科学技术大学火灾科学国家重点实验室博士研究生

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张小芹,宗若雯,方廷勇,王荣辉,廖光煊 助燃剂对木垛火燃烧特性影响研究[J]. 中国工程科学, 2007, 9(2): 90-97 DOI:

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