1) inverse smoke-flowing layer
烟气逆流层
2) smoke regressing
烟气逆流
1.
5 software,the longitudinal attenuating laws of smoke temperature with the diversification of its distance from fire source are gained and the prediction model for calculating the distance of smoke regressing is built.
5软件对实验数据进行处理、拟合,得到3次实验的烟气逆流的顶棚射流温度随着离开火源距离纵向衰减规律,建立了计算烟气逆流距离的预测公式。
3) length of smoke back flow layer
烟流逆流层长度
1.
The experiments were carried out in a horizontal modeling tunnel with a length of 9m and an inner cross sectional area of 30cm×30cm to investigate the effect of flow velocity and heat releasing rate of fire on the length of smoke back flow layer.
为考察水平巷道火灾中烟流逆流层长度随巷道风速及火源放热速率的变化规律 ,在一条长 9m,横断面 30 cm× 30 cm的模拟巷道中进行了燃烧模拟实验 。
4) gas current
气流，烟气流
5) temperature inversion,inversion layer
逆温层(气)
6) hot smoke layer
热烟气层
1.
Results show hot smoke layer development in large space building fires is mainly depended on the fire source power and the size of large space.
采用数值模拟手段对某机场候机大厅的烟气填充情况进行研究,大空间中热烟气层的发展与火源的功 率、大空间的几何尺寸有关;随着火源强度的增加,烟气层稳定的高度会下降。
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