Mine fire is a very dangerous accident of mine.

矿山火灾是一种危害性十分严重的矿山事故.

Based on the theories of coal-mine fire and simulation, a mathematics model which describes the diffuseness of smoke flow and the states of airflow during the coal-mine fire has been set up.

以煤矿火灾理论和仿真模拟理论为基础，建立了描述煤矿火灾烟流扩散和风流状态的数学模型。

A proposal for control of airflow in a mine fire is proposed by optimization of air quantity in a ventilation network.

提出了用通风网络风量优化计算的方法求解矿井火灾时期的风流控制方案。

The mathematic model was set up to investigate the inerting effect of three-phase foam on the sealed zone of mine fire.

建立了含氮气三相泡沫惰化有漏风源封闭火区的数学模型，得出了影响三相泡沫惰化效果的主要因素和三相泡沫惰化火区的机理。