分析了烟气在大空间建筑内的充填情况，得到不同火源下的烟气填充计算模型，并在大空间实验厅内进行了全尺寸油池火对比试验。
Analysis was made for smoke filling process in large space building, and some full scale pool fire tests for comparison were made in USTC large space experimental hall.
通过对实验结果的分析，我们建立了火灾中庭内烟气层填充高度随时间变化的回归方程。
Through the analysis on the experimental results, the regress equations about smoke layer's height change with time were estimated.
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