Adsorption Phenomena and Macroscopic Properties of Ferronematics Caused by Orientational Interactions

2004 ◽  
Vol 409 (1) ◽  
pp. 285-292 ◽  
Author(s):  
V. I. Zadorozhnii ◽  
I. P. Pinkevich ◽  
V. Yu. Reshetnyak ◽  
S. V. Burylov ◽  
T. J. Sluckin
Keyword(s):  
Macroscopic Properties ◽  
Adsorption Phenomena ◽  
Orientational Interactions

scholarly journals The Effects of Periodicity Assumptions in Porous Media Modelling

2021 ◽  
Author(s):  
T. O. M. Forslund ◽  
I. A. S. Larsson ◽  
J. G. I. Hellström ◽  
T. S. Lundström
Keyword(s):  
Fluid Flow ◽  
Lattice Boltzmann ◽  
Single Unit ◽  
Unsteady Flows ◽  
Unit Cell ◽  
Porous Bed ◽  
Bed Porosity ◽  
Macroscopic Properties ◽  
Boltzmann Method ◽  
Method Model

AbstractThe effects of periodicity assumptions on the macroscopic properties of packed porous beds are evaluated using a cascaded Lattice-Boltzmann method model. The porous bed is modelled as cubic and staggered packings of mono-radii circular obstructions where the bed porosity is varied by altering the circle radii. The results for the macroscopic properties are validated using previously published results. For unsteady flows, it is found that one unit cell is not enough to represent all structures of the fluid flow which substantially impacts the permeability and dispersive properties of the porous bed. In the steady region, a single unit cell is shown to accurately represent the fluid flow across all cases studied

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