Research on the Influence of Natural Wind Pressure in Deep Mines on Ventilation Stability

Table 1

Measured data of four seasons in shaft area.

Season	Measuring position	Absolute pressure HPa	Dry temperature °C	Absolute partial pressure of saturated water vapor HPa	Relative humidity %	Density kg/m^3
Spring	Service shaft mouth	1022.81	17.2	20.12	93	1.219444
	Service shaft bottom	1139.46	22.6	27.42	89	1.332117
	Main shaft mouth	1016.18	23.4	28.78	87	1.183332
	Main shaft bottom	1124.2	28.2	38.25	92	1.284983
Summer	Service shaft mouth	1003.29	33	52.62	62.7	1.128109
	Service shaft bottom	1110.13	35.5	57.83	72.3	1.235861
	Main shaft mouth	991	26.7	35.04	94.1	1.137544
	Main shaft bottom	1095.26	30.7	44.18	99.9	1.237327
Autumn	Service shaft mouth	1012.78	24.8	31.3	72.7	1.174801
	Service shaft bottom	1120.69	27.4	36.5	68.2	1.288849
	Main shaft mouth	1002.75	24.7	31.12	91.1	1.160983
	Main shaft bottom	1107.25	28.9	39.82	96.1	1.261101
Winter	Service shaft mouth	1024.73	10.2	12.45	92	1.255323
	Service shaft bottom	1141.15	15.4	17.48	87	1.371615
	Main shaft mouth	1018.83	15.8	17.84	78	1.222741
	Main shaft bottom	1128.4	26	33.61	87	1.301952