Drying as an immiscible displacement process with fluid counterflow

T. M. Shaw
Phys. Rev. Lett. 59, 1671 – Published 12 October 1987
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Abstract

Experiments with refractive-indexmatched materials show that evaporation of a liquid from a porous medium produces a modified form of immiscible displacement. In this process the displaced fluid is removed from the pore structure by counterflow in the same pore channels as the displacing fluid. Pressure gradients that arise from fluid flow result in displacement fronts that, unlike conventional displacement fronts, are inherently stable irrespective of the relative viscosities of the fluids.

  • Received 26 February 1987

DOI:https://doi.org/10.1103/PhysRevLett.59.1671

©1987 American Physical Society

Authors & Affiliations

T. M. Shaw

  • IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598

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Issue

Vol. 59, Iss. 15 — 12 October 1987

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