Abstract : the simplified one - dimensional mathematical model of spontaneous heating process is used to analyze the effect of the change and movement of water vapour in coal stock pile on the maximum temperature reached during the self - hearting of the coal stock pile 文摘:利用简化的自热过程一维数学模型,分析煤堆内水分变化及迁移对煤堆自热所能达到的最高温度的影响。