International Scholarly Research Notices

Research Article

CFD Modeling and Simulation of Hydrodynamics in a Fluidized Bed Dryer with Experimental Validation

Table 1

Values of model parameters used in the simulations and experiments.
SymbolDescriptionValueComment or reference
𝜌 𝑠 Solids density1883 kg/m3A special type of Glass beads
𝜌 𝑔 Gas density1.225 kg/m3Air at ambient conditions
𝑑 𝑠 Mean particle diameter175, 275, 375 μmThree size of particle
𝑒 𝑠 𝑠 Coefficient of restitution0.85Fixed value
πœ€ 𝑠 , m a x Maximum solids packing0.64Syamlal and O’Brien [23, 24]
πœ™ Angle of internal friction27Β°Johnson and Jackson [33]
𝐷 𝑑 Column diameter28 cmFixed value
𝐻 1 Fluidized bed height100 cmFixed value
𝐻 0 Initial static bed height44 cmFixed value
π‘ˆ 𝑔 Superficial gas velocity0–100 cm/sA range is used