Pore-scale simulations on relative permeabilities of porous media by lattice Boltzmann method

Pore-scale simulations of two phase flows in a packed-sphere bed and in a carbon paper gas diffusion layer (GDL) are carried out using the free energy multiphase lattice Boltzmann method (LBM). The simulations are performed based on the detailed microstructure of the porous media under periodic boun...

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Bibliographic Details
Published in:International journal of heat and mass transfer 2010-04, Vol.53 (9), p.1908-1913
Main Authors: Hao, Liang, Cheng, Ping
Format: Article
Language:English
Subjects:
Applied sciences
Carbon
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Flows through porous media
Fluid dynamics
Free energy
Fuel cells
Fundamental areas of phenomenology (including applications)
Lattice Boltzmann method
Lattices
Mass transfer
Media
Multiphase and particle-laden flows
Nonhomogeneous flows
Permeability
Physics
Pore-scale
Porous media
Relative permeability
Saturation
Simulation
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Summary:Pore-scale simulations of two phase flows in a packed-sphere bed and in a carbon paper gas diffusion layer (GDL) are carried out using the free energy multiphase lattice Boltzmann method (LBM). The simulations are performed based on the detailed microstructure of the porous media under periodic boundary conditions such that the average phase saturations in the porous medium remain constant. A comparison of the simulated and measured relative permeabilities for the packed sphere bed as a function of non-wetting phase saturation is performed, and effects of the wettability and the anisotropic characteristics of relative permeabilities of the GDL are investigated.
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2009.12.066