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通过对直径为 1m、1.5 m和 2 .7m的油罐火灾实体实验的分析 ,获得了油品的瞬时燃烧速度的变化规律 ,并拟合了相应条件下的实验关联式。在此基础上 ,利用相似原理将实验结果推广到大直径油罐的火灾过程中 ,提出了预测燃烧速度动态变化的规律及其求解方法 ,并对一算例的计算结果进行了分析。
Through the analysis of physical experiments of 1m, 1m and 2. 7m diameter oil tank fires, the variation law of the instantaneous combustion speed of the oil products was obtained and the experimental correlations were fitted under the corresponding conditions. On this basis, the principle of similar principle is used to extend the experimental results to the fire process of large-diameter oil tank. The rule of predicting the dynamic change of combustion velocity and its solution method are proposed. The calculation results of an example are also analyzed.