Fluid Flow and Solid/Fluid Suspensions Flow in 3-D Packed Beds of Spheres: The Effect of Periodicity of Fixed Beds
A 3-D numerical study is performed to investigate the effects of periodicity (geometry) on flow of fluid and on flow of solid/fluid suspensions in packing arrangements of fixed beds of spheres. The porosity is fixed at 0.58 and the following packing arrangements are studied: simple cubic, face-centered cubic, hexagonal, rhomboedric hexagonal and tetragonal. Simulations are carried out at Reynolds numbers ranging from 0.1 and 50, and using solid suspensions with different sizes (0.2, 2 and 10 micron) and densities (200 and 2000 kg/m3). The effect of the periodicity on fluid flow characteristics (permeability and inertia parameter) and on the penetration efficiency of solid suspensions within the packed beds is analyzed and quantified.
Andreas Öchsner, Graeme E. Murch and João M.P.Q. Delgado
A. Serrenho and A. F. Miguel, "Fluid Flow and Solid/Fluid Suspensions Flow in 3-D Packed Beds of Spheres: The Effect of Periodicity of Fixed Beds", Defect and Diffusion Forum, Vols. 312-315, pp. 871-876, 2011