a | [m] | cyclone inlet height |
Ain | [m2] | area of the cyclone inlet surface |
Aout | [m2] | area of the cyclone outlet surface |
b | [m] | cyclone inlet width |
CP | [-] | pressure loss coefficient |
Cμ | [-] | k-ε based model constant |
D | [m] | cyclone body diameter |
Db | [m] | cyclone dust bin diameter |
Dd | [m] | cyclone drop tube diameter |
Dx | [m] | cyclone vortex finder diameter |
fr | [-] | rotation function as a multiplier of eddy viscosity turbulent production term |
H | [m] | total cyclone height |
Hb | [m] | cyclone dust bin height |
Hc | [m] | cyclone cone height |
Hd | [m] | cyclone drop tube height |
k | [m2∙s−2] | turbulent kinetic energy |
Lv | [m] | cyclone vortex finder length |
| [Pa] | time-averaged static pressure |
| [Pa] | filtered static pressure |
| [Pa] | pressure drop |
Pin | [Pa] | cyclone inlet pressure |
| [Pa∙s−1] | turbulent production term in eddy viscosity models |
Pout | [Pa] | cyclone outlet pressure |
| [s−1] | large-scale strain rate tensor |
t | [s] | time |
u | [m∙s−1] | fluid velocity |
u′ | [m∙s−1] | fluctuating fluid velocity |
| [m∙s−1] | mean (time-averaged) fluid velocity |
| [m∙s−1] | filtered fluid velocity |
Uin | [m∙s−1] | cyclone inlet normal speed |