Research Article
Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face
Table 3
Air velocity comparison of measured data and simulated data.
| | Distance (m) | 5 | 7.5 | 10 | 12.5 | 15 | 17.5 | 20 | 22.5 | 25 | 30 |
| | Measured data (m/s) | 1.52 | — | 0.18 | 0.21 | 0.20 | 0.17 | 0.12 | — | — | 0.14 | | Simulated data (m/s) | 1.41 | 0.03 | 0.17 | 0.19 | 0.19 | 0.16 | 0.11 | 0.06 | 0.07 | 0.13 | | Error rate (%) | 7.2 | — | 5.6 | 9.5 | 5.0 | 5.9 | 8.3 | — | — | 7.1 |
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