Table 1 The model parameter settings.
Calculation method | Parameter | Value |
|---|---|---|
CFD | Water density (kg/m3) | 1000 |
Water viscosity (mPa s) | 0.01–10 | |
Flow rate of inlet (kg/s) | 0.3–1.4 | |
Pressure of outlet (MPa) | 0 | |
Turbulence intensity (%) | 5 | |
DEM | Poisson’s ratio of ball | 0.25 |
Casing density (kg/m3) | 7800 | |
Poisson’s ratio of casing | 0.41 | |
Generation rate of ball (pieces/s) | 4 | |
SOLVER | Recovery coefficient of ball-ball | 0.2 |
Recovery coefficient of ball-casing | 0.45 | |
Computing time (s) | 200 | |
Time step (%) | 20 |
