Analysis is made for smoke movement in large space buildings, and some fullscaletests for comparison are made in USTC and PolyU Test Hall.

• 结果表明，在着火的初期阶段，大厅上部的烟气流动比较紊乱，但在以后的大部分时间，烟气的充填过程仍可用火灾区域模拟方法计算。