86
C. Neugebauer et al.
Fig. 10 a Scheme of the numerical setup of the two-staged horizontal fluidized bed for continuous
simulations and b the dimensions of the two-staged systems for the different weir configurations [42]
(Used with permission by Elsevier)
Table 5 Simulation conditions of the two-staged pilot plant simulations (detailed information is
given by Diez et al. [42]).
CFD time step
5 × 10 −5 s
DEM time step
2 × 10 −6 s
Air density
1.189 kg/m 3
Air dynamic viscosity
1.82 × 10 −5 Pa s
Nozzle air flow rate
21 m 3 /h
Solids material
Sodium benzoate
Particle diameter
3/2 mm
Particle density
1440 kg/m 3
Initial bed mass per chamber
7.5 kg
Solids feed rate
1 kg/min
Avg. number of particles
0.74 Mio./2.6 Mio.
Fluidization rate u/u m f
3.2/4.6
This model was added for keeping the hold-up mass inside the apparatus constant.
The main simulation conditions and material properties are contained in Table 5. For
further information on the simulation setup, see [42].
C. Neugebauer et al.
Fig. 10 a Scheme of the numerical setup of the two-staged horizontal fluidized bed for continuous
simulations and b the dimensions of the two-staged systems for the different weir configurations [42]
(Used with permission by Elsevier)
Table 5 Simulation conditions of the two-staged pilot plant simulations (detailed information is
given by Diez et al. [42]).
CFD time step
5 × 10 −5 s
DEM time step
2 × 10 −6 s
Air density
1.189 kg/m 3
Air dynamic viscosity
1.82 × 10 −5 Pa s
Nozzle air flow rate
21 m 3 /h
Solids material
Sodium benzoate
Particle diameter
3/2 mm
Particle density
1440 kg/m 3
Initial bed mass per chamber
7.5 kg
Solids feed rate
1 kg/min
Avg. number of particles
0.74 Mio./2.6 Mio.
Fluidization rate u/u m f
3.2/4.6
This model was added for keeping the hold-up mass inside the apparatus constant.
The main simulation conditions and material properties are contained in Table 5. For
further information on the simulation setup, see [42].