| Issue |
EPL
Volume 96, Number 2, October 2011
|
|
|---|---|---|
| Article Number | 24001 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/96/24001 | |
| Published online | 29 September 2011 | |
Capillary rise between flexible walls
Physique et Mécanique des Milieux Hétérogènes, UMR CNRS 7636, ESPCI-ParisTech, Paris Diderot University 10 rue Vauquelin, 75005 Paris, France, EU
a
etienne.reyssat@normalesup.org
Received:
28
April
2011
Accepted:
29
August
2011
We report experimental work on capillary rise of a liquid in a cell formed by parallel plates, one of which is flexible. We show that above a critical width, the cell collapses under the negative capillary pressure in the liquid. This collapse allows the liquid to rise virtually without limit between the plates. The height of the rising front is found to increase with time as t1/3, a characteristic of capillary imbibition in a wedge.
PACS: 47.56.+r – Flows through porous media / 46.70.De – Beams, plates, and shells / 47.55.N- – Interfacial flows
© EPLA, 2011
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