Author(s): W.E. Soil, W.G. Gray & A.F.B. Tompson
The lattice Boltzmann (LB) method is applied to simulating multifluid flow in porous
media at sub-pore resolution to determine constitutive behaviors.
We address the
importance of the LB technique for identifying process based constitutive relationships,
and demonstrate its application through analysis of the influence of wettability on
interfacial areas and constitutive relationships.
Porous media surface wettability is
varied from uniformly strongly wetted by the resident fluid through to strongly wetted
by the displacing fluid.
Spatially variable wettability is also demonstrated.
imbibition and drainage displacements are run, and interfacial areas (IF A) as a function
of time are determined and compa...
Size: 889 kb
Paper DOI: 10.2495/CMWR980511
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