【摘要】 通过建立综放采空区三维非稳定风流场、温度场及热力风压的联合解算数学模型，运用有限单元和有限差分法进行较深入的数学模拟分析和数值解算，结合现场观测及分析结果，得出了综放采空区内可能的遗煤自燃区域分布范围、空间形态及其影响因素。并就模拟原型的实际情况，给出其合理的工作面推进速度。更多还原

【Abstract】 In this paper,the distribution sphere, spatial shape and their affecting factors of the spontaneous combustion zones on the fully-mechanized roof -coal caving goaf are determined from the establishing of thd mathematic model of the said goaf three-dimensional non-stable air-pressure field, temperature field and heat-pressure and by using the finite element method and the differential method for a deeper mathematical simulation analysis and solution together with the resull of field observa-tion and analysis.On the basis of the actual condition of the simulafed model, a reasonable face-advancing speed is provided.更多还原