小尺寸实验烟气浓度分布的影响因素

Influence Factors for Distribution of Smoke Concentration in Small-scale Experiment

通过多组小尺寸实验多点离散测量烟气成分 ,对有限的实验数据做Lagrange插值分析 ,得到相同时刻烟气浓度在不同位置的变化规律以及烟气浓度场随时间的分布。考虑燃烧实验存在随机因素影响 ,提出用某一组分的质量分数相对值来比较不同实验数据所体现的规律 。

Through using Lagrange interpolation to analyze the limited data of smoke components and concentration attained from the small\|scale experiments, it shows the distribution of smoke concentration at same time from different positions and the distribution of smoke concentration field according to time. Considering the random factors existing in these combustion experiments, concentration relative value is provided to contrast data among different experiments. The result shows that distribution of smoke concentration along hallway is mainly affected by mass of fuel and height of the door. [