At present, in order to analyse the temperature and smoke in the tunnel fire, we use numerical simulation to calculate the variable, which are all based on the fire heat release rate (HRR).
目前，运用火灾模拟程序进行定量计算，分析失火隧道内的温度、烟气生成量等参数时，都是以火灾热释放率(HRR)为基础的。
Therefore the article recommends that according to fire heat release rate, escape time and control height of smoke layer, the rate of mechanical smoke extraction should be reasonably decided.
文章建议根据火源释热率、火灾发生后的逃生时间、烟气层的控制高度合理确定大空间的机械排烟速率。
The heat release rate is the key factor that determines fire hazards.
材料的热释放速率是决定火灾灾害的关键因素。
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