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Issue 37, 2016
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Geometrical instability in the imbibition of a sphere

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Abstract

We study the imbibition of a spherical porous aggregate. When the difference in pressure between the inside and the outside of the aggregate is large enough, the imbibition front becomes unstable. This instability leads to the acceleration of the imbibition process. In more complex geometries with non-constant curvatures, the imbibition becomes locally unstable in the regions with the highest curvatures, leading to spatially heterogeneous front velocities.

Graphical abstract: Geometrical instability in the imbibition of a sphere

  • This article is part of the themed collection: Colloids
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Publication details

The article was received on 22 Jun 2016, accepted on 19 Aug 2016 and first published on 22 Aug 2016


Article type: Paper
DOI: 10.1039/C6SM01432A
Citation: Soft Matter, 2016,12, 7759-7763
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    Geometrical instability in the imbibition of a sphere

    A. Debacker, D. Lootens and P. Hébraud, Soft Matter, 2016, 12, 7759
    DOI: 10.1039/C6SM01432A

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