A dynamic simulation programe which can reflects the flow of mine air and fume andthe change of ventilation systems is made out in C Language,At last,a simulated example is iven.

• 用C语言编制了反映矿井火灾时期风流、烟流流动及通风系统结构变化的动态模拟程序。最后，给出了计算机运行实例。