| Issue |
Europhys. Lett.
Volume 38, Number 7, June I 1997
|
|
|---|---|---|
| Page(s) | 509 - 514 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1997-00104-y | |
| Published online | 01 September 2002 | |
Scaling of propagating capillary fronts
1
Department of Physics of Complex Systems, The Weizmann Institute of Science, Rehovot 76100, Israel
2
Department of Chemical Physics, The Weizmann Institute of Science, Rehovot 76100, Israel
3
Minerva Center and Physics Department, Bar Ilan University - Ramat Gan, Israel
Received:
20
March
1997
Accepted:
30
April
1997
We report an experimental and theoretical study of
wetting front propagation in anisotropic
paper. The height-height correlation function is measured in the presence
of large scale biasing
and is found to scale with an exponent
. Theoretical analysis of this two-dimensional invasion predicts
logarithmic scaling
for isotropic paper. The observed nonzero roughness is due to correlated
randomness and
anisotropy in the paper.
PACS: 47.55.Mh – Flows through porous media / 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion / 68.45.Gd – Wetting
© EDP Sciences, 1997
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