Research Article
CFD-Based Determination of the Optimal Blowing and Suction Air Volume Ratio of Dual-Radial Swirl Shielding Ventilation in a Fully Mechanized Excavation Face
Figure 9
Cloud diagram of dust concentration distribution at the cross section of under different blowing and suction ratios: (a) ; (b) ; (c) ; (d) ; (e) ; (f) .