关键词: 风流温度, 围岩散热, 热湿交换, 不稳定换热系数

Abstract: Based on the unsteady heat exchange coefficient，the formula for airflow temperature after a passage of roadway is deduced.The calculation software Mathematica is adopted to analyze the influence of each parameter to the result of heat and moisture transfer between roadway wall rock and airflow.According to the result of analysis，both thermal conductivity of the rock and cross-section perimeter of the roadway have a certain impact on the rise of the airflow temperature.Meanwhile the influence of wall roughness is less，the mass flux of the airflow is more obvious and the evaporation of the water on or in roadway is quite strong.The precision of the calculation depends on the amount and precision of the interrelated parameters.

Key words: Airflow temperature, Wall-rock heat release, Heat and moisture transfer, Unsteady heat exchange coefficient