Numerical Simulation Study on Distribution of Bubble in Flow near Aerator Based on CFD-PBM Coupled Model in Tunnel

Figure 9

Distribution of the air concentration along water depth in four typical sections. (a) The VOF at the medium water level. (b) The mixture at the medium water level. (c) The Euler at the high water level. (d) The Euler at the medium water level. (e) The Euler at the low water level. (f) The CFD-PBM at different water levels.

(a)

(b)

(c)

(d)

(e)

(f)