TY - JOUR
TI - Coupling characteristics of meso-structure and thermophysical parameters of deep granite under high geo-temperature
AU - Wang Huan
AU - You Shuang
AU - Ji Hong-Guang
AU - Xu Hui-Ci
AU - Li Qi
AU - Li Hu-Zhen
JN - Thermal Science
PY - 2021
VL - 25
IS - 6
SP - 4621
EP - 4629
PT - Article
AB - Polarizing microscope, nuclear magnetic resonance, and thermal constant  analyzer were used to test the granite samples in the depth of 1500-2000 m  in San­shandao before and after the heat treatment and be carried out to  study the cor­responding relationship between rock meso-structure  characteristics and different geothermal temperature circumstances, and the  influence of thermal cycling on rock meso-structure. Tests results present  that the porosity, pore size distribution, thermal conductivity and specific  heat capacity are significantly affected by the environment where the rock  occurs, mineral composition and particle size, and the increase in porosity  and water content will cause the thermal conductivity and specific heat  capacity to decrease.