Research Article
Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face
Table 6
The hierarchy general ranking.
| Rule hierarchy | Weights | Factor hierarchy | Weights | Total sequencing weight |
| Adjustment parameters | 0.6250 | Distance from the duct outlet to heading face | 0.4673 | 0.292 | Caliber of the duct outlet | 0.2772 | 0.173 | Horizontal right deviation | 0.1601 | 0.100 | Vertical upward deflection | 0.0954 | 0.060 | Original gas and dust parameters | 0.3285 | Gas emission quantity | 0.5715 | 0.186 | Dust production | 0.2857 | 0.094 | Particle size | 0.1428 | 0.047 | Ventilation parameters | 0.1365 | Air velocity at the duct outlet | 0.75 | 0.102 | Ventilation volume | 0.25 | 0.034 |
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