Study on the Atomization and Dust-Reduction Performance of a New Type of External Pneumatic Vortex Fog Curtain Dust Removal Device in Fully Mechanized Excavation Face

Figure 3

Trajectory of dust particles: (a) t = 2 s, (b) t = 4 s, (c) t = 6 s, (d) t = 8 s, and (e) t = 10 s.

(a)

(b)

(c)

(d)

(e)