Mathematical Problems in Engineering / 2019 / Article / Tab 6

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 hierarchyWeightsFactor hierarchyWeightsTotal sequencing weight

Adjustment parameters0.6250Distance from the duct outlet to heading face0.46730.292
Caliber of the duct outlet0.27720.173
Horizontal right deviation0.16010.100
Vertical upward deflection0.09540.060
Original gas and dust parameters0.3285Gas emission quantity0.57150.186
Dust production0.28570.094
Particle size0.14280.047
Ventilation parameters0.1365Air velocity at the duct outlet0.750.102
Ventilation volume0.250.034

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