Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face

<p>Comparison of air velocity at the farthest distance of 10m. (a) Air velocity along the pedestrian breathing-height. (b) Air velocity along the driver’s breathing-height.</p>

Mathematical Problems in Engineering

fig5

Figure 5

Figure 5: Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face 