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阐述了煤系地层的导热机理,具有不均匀性、各向异性和属于多相介质等固有特性,以及几种典型相分布时导热系数的计算公式。介绍了稳态法和非稳态法的工作原理和测定方法,测试了大量煤系地层试样的导热系数,并对其影响因素如温度、孔隙率和化学结构等进行了分析。
The thermal conduction mechanism of coal measure strata is expounded. Inherent characteristics such as inhomogeneity, anisotropy and multiphase media, as well as the calculation formulas of thermal conductivity of several typical phase distributions, are described. The working principle and measuring method of steady state method and unsteady method are introduced. The thermal conductivity of a large number of coal measures is tested and the influencing factors such as temperature, porosity and chemical structure are analyzed.