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We next must address the internal fluid-pressure equilibration
between the two phases with the goal of obtaining the
internal transfer coefficient of equation (9).
The mathematical definition of the rate of internal fluid transfer
is
| |
(53) |
where V is the volume occupied by the composite.
A possible concern in the patchy-saturation
analysis is whether capillary effects at the local
interface separating the two phases need to be allowed for.