Numerical Simulation of Particle Flow Motion in a Two-Dimensional Modular Pebble-Bed Reactor with Discrete Element Method

Figure 9

Vertical velocity distributions of pebbles with different heights of the guide ring.

(a) Vertical velocity distribution of pebbles with guide ring of 5.5 m at upper region

(b) Vertical velocity distribution of pebbles with guide ring of 6 m at upper region

(c) Vertical velocity distribution of pebbles with guide ring of 5.5 m at lower region

(d) Vertical velocity distribution of pebbles with guide ring of 6 m at lower region

(e) Vertical velocity distribution of pebbles with guide ring of 5.5 m at cone region

(f) Vertical velocity distribution of pebbles with guide ring of 6 m at cone region