Model of Heat and Mass Exchange between a Downcast Shaft and the Air Flow to the Mine

Table 1

The calculating parameter range.

	Value of parameters
Inlet air temperature (°C)	10, 15, 20, 25
Inlet air relative humidity (%)	30, 50, 70, 90
Geothermal gradient (°C/100 m)	2, 3, 4
Rock thermal conductivity (w/m·°C)	1, 2, 3, 4
Surface moisture coefficient	0, 0.05, 0.1, 0.2