材料的热释放速率是决定火灾灾害的关键因素。
The heat release rate is the key factor that determines fire hazards.
将各种非稳态火源热释放速率计算式嵌入建筑物火灾烟流性状预测软件并进行了算例验证。
Some heat release rate formulas are added to the application software for calculation on the properties of the fire smoke flow in building.
在此基础上，根据本文提出的曲线叠加法采用计算机就可以容易地得到发生火灾时室内总的热释放速率曲线和热释放速率峰值。
In this foundation, the method of curve superposition proposed by this article may easily obtain the total HRR curve and peak value of HRR by computer when a fire occurs in the room.
应用因次分析法推导出表征巷（隧）道火灾烟流滚退距离变化规律的通用无因次表达式，该表达式包含影响滚退距离的火源热释放速率、通风风速、巷道倾角和形状等因素。
A non-dimensional expression, which shows the general variation of the backflow distance of smoke and hot gases during a roadway or tunnel fire, was derived through dimensional analysis.
通过测量材料表面的温度来研究火蔓延的情况，同时还将火蔓延与火灾过程中的重要参数如热释放速率、热流密度和室内温度等进行了比较，分析了相互之间的关系。
Some key fire parameters, such as heat release rate, heat flux, room temperatures etc, were also performed and compared with the flame spread. The relationships among these parameters were analyzed.
隧道内火灾的热释放速率对火灾蔓延和烟气生成起着关键作用。
The heat release rate (HRR) of a fire in a tunnel is a crucial factor, both in terms of fire spread and smoke production.
隧道内火灾的热释放速率对火灾蔓延和烟气生成起着关键作用。
The heat release rate (HRR) of a fire in a tunnel is a crucial factor, both in terms of fire spread and smoke production.
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