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CIESC Journal
• 化工学报 • 上一篇 下一篇
杨兰和
出版日期:
发布日期:
YANG Lanhe (College of Mineral Resource and Environmental Science, China University of Mining and Technology,Xuzhou?221008,Jiangsu,China)
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Abstract: Two-stage underground coal gasification is an effective method which can produce water gas with high heating value,while the temperature is the key factor that determines on its producing process. On the basis of model test, the mathematical model for two dimensions, non-linear, unsteady temperature field is established through analyzing the distribution law of temperature field for combustion and gasification of coal seam in the stove, and outlining and treating the boundary conditions. A selection method of the model parameters has been introduced. The mathematical model is solved by the control volume method,and calculation results are analysed. The uniformity of calculation and real measurement value indicate that the numerical simulation of dynamic state temperature field for the coal seam medium in the gasification stove is correct.Thereby,it provides a necessarily theoretical base for further quantitative study on process of underground coal gasification.
中图分类号:
TD84
杨兰和. 两阶段煤炭地下气化温度场模型 [J]. CIESC Journal.
YANG Lanhe (College of Mineral Resource and Environmental Science, China University of Mining and Technology,Xuzhou?221008,Jiangsu,China). TEMPERATURE FIELD MODEL OF TWO-STAGE UNDERGROUND COAL GASIFICATION[J]. .
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