Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance

Figure 12

Cumulative mass of coal particles in different statistical areas: (a) drum I, (b) drum II, (c) drum III, (d) drum IV, (e) drum V, (f) drum VI, (g) drum VII, and (h) drum VIII.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)