Computational Study of Gas-Solid Flow in a Horizontal Stepped Pipeline

Figure 19

Spatial distribution of solid-solid interaction force when a dune passes through the stepped section with CFD-DEM. (a) 3.86 s. (b) 3.88 s. (c) 3.90 s. (d) 3.92 s.

(a)

(b)

(c)

(d)