Research Article
Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face
Table 19
Test results at the nearest distance of 5m after adjustment.
| | Measuring object | Dust concentration (mg/m3) |
| | Test section | | 1# | 2# | 3# | 4# | 5# | 6# | 7# | 8# | | Measuring points | 1 | 347.3 | 309.8 | 300.3 | 239.4 | 223.7 | 187.9 | 183.8 | 176.4 | | 2 | 357.4 | 322.4 | 189.5 | 203.7 | 177.3 | 145.5 | 126.8 | 115.5 |
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