Skip to Main content Skip to Navigation
Journal articles

Capillary imbibition of aqueous foams by miscible and nonmiscible liquids

Abstract : When put in contact with a large liquid drop, dry foams wick owing to surface-tension-driven flows until reaching equilibrium. This work is devoted to the dynamics of this imbibition process. We both consider imbibition of wetting or non-wetting liquid, either by putting the dry foam into contact with the foaming solution that constitutes the foam or with organic oils. Indeed, with the appropriate choice of surfactants, oil spontaneously invades the liquid network of the foam without damaging it. Our experiments show an early-time dynamics in t 1/2 followed by a late-time dynamics in t 1/4. These features, which differ from theoretical works predicting a late-time t 1/3 dynamics, are rationalized considering the influence of the initial liquid fraction of the foam in the driving capillary force and the impact of gravity through the capillary-gravity equilibrium.
Complete list of metadata

https://hal-enpc.archives-ouvertes.fr/hal-01262037
Contributor : Elise Lorenceau <>
Submitted on : Tuesday, January 26, 2016 - 10:48:40 AM
Last modification on : Tuesday, December 8, 2020 - 10:20:37 AM
Long-term archiving on: : Wednesday, April 27, 2016 - 1:18:54 PM

File

capillary rise of oil v7.pdf
Files produced by the author(s)

Identifiers

Citation

Rémy Mensire, Keyvan Piroird, Elise Lorenceau. Capillary imbibition of aqueous foams by miscible and nonmiscible liquids. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2015, 92 (5), ⟨10.1103/PhysRevE.92.053014⟩. ⟨hal-01262037⟩

Share

Metrics

Record views

433

Files downloads

591