Research Article
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/m3 |
| 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 |
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