文章摘要信息 关键词 ： 区网模拟 传导换热模型 巷道火灾 [gap=668]Keywords : zone and network model； model of heat transfer； fire in airway
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采用理论分析的方法，对水平巷道火灾时期的烟气逆流现象进行了深入研究。
Deep study was made on reverse smoke flow during fire in the entry by theoretical analysis method.
巷道火灾节流过程中各物理参数变化时序是正确模拟非稳态火灾过程和救灾决策的基础。
In the process of tunnel fire throttling, the variation time sequence of various physical parameters is the bases for accurately modeling the unsteady fire process and fire fighting decision-making.
在矿井火灾灾变时期，井巷可通行性主要根据巷道内是否具有高温有毒有害气体而确定。
Fire hazard travel ability of shaft and roadway mainly depends on whether or not there are high temperature toxic gases in the roadway conditions.
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