| Gas/Liquid |
Hydrogen/Water |
| Initial diameter of vortex ring; D0 [mm] |
42.5 |
| Initial core diameter of vortex ring; 2α/D0 |
0.4 |
| Reynolds number; Re=Γ0/vl |
400,500,600 |
| Computational domain |
4D0 × 4D0 × 12D0 |
| Number of grids |
48 × 48×144 |
| Bubble diameter; d [mm] |
0.2 |
| Gas volume fraction of bubble cluster; αg0 |
0, 0.02, 0.04 |
| Lift coefficient of bubble; CL |
0.5 |
| Virtual mass coefficient of bubble; CV |
0.5 |
| Time increment; Γ0Δt/D02 |
0.12 |
|
