|
| Riser |
| Height (H), Kunii and Levenspiel [30] |
| |
| Decay constant, Kunii and Levenspiel [31] |
| |
| Choking voidage, Yang [32] |
| |
| Solids circulation flux, Yang [32] |
| |
| Terminal velocity of particles, Basu [2] |
| |
| where and are given by, Basu [2] |
| |
| |
| |
| |
| |
| Superficial gas velocity, Perales et al. [33] |
| |
| Axial voidage fraction, Davidson [5] |
| |
| Internal solids reflux, Davidson [5] |
| |
| Solids inventory, Behainne and Martins [34] |
| |
| |
| Pressure drop, Behainne and Martins [34] |
| |
|
| Cyclone |
| Swift geometrical configuration, Basu [2] |
| ; |
| |
| Pressure drop, Muschelknautz and Greif [35] |
| |
| Wall friction coefficient, Basu [2] |
| |
| Tangential gas velocity, Muschelknautz and Greif [35] |
| |
| Gas exit tube radius, Muschelknautz and Greif [35] |
| |
| Parameters of cyclone design, Muschelknautz and Greif [35]
|
| |
| |
| Velocity at exit |
| |
|
| Standpipe/solids recycle valve |
| Height above the aeration point, Knowlton [36] |
| |
| Pressure drop in the vertical leg of the L-valve, Knowlton [36] |
| |
| Pressure drop in the L-valve, Geldart and Jones [37] |
| |
| Pressure drop in the riser above the solids return level, |
| Behainne and Martins [34] |
| |
| Aeration mass flow rate, Geldart and Jones [37] |
| |
| Solids inventory, Behainne and Martins [34] |
| |
|