capillary migration

capillary migration

[′kap·ə‚ler·ē mī′grā·shən]
(hydrology)
Movement of water produced by the force of molecular attraction between rock material and the water.

capillary flow

The flow of moisture through a capillary pore system, as in concrete.
References in periodicals archive ?
Capillary migration of moisture may occur in any material with a pore structure.
The second stage of drying commences when the evaporated volume is no longer replenished adequately by capillary migration of liquid from the interior to the surface, or when lateral diffusion inside the boundary layer is insufficient to compensate for the loss in surface area.
Typical 3DP lines range from 300 to 500 [[micro]meter], depending on packing density and extent of capillary migration.