| Issue |
Europhys. Lett.
Volume 41, Number 5, March I 1998
|
|
|---|---|---|
| Page(s) | 577 - 582 | |
| Section | Cross-disciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i1998-00194-y | |
| Published online | 01 September 2002 | |
Development of bamboo structure in a 2D liquid foam
Departamento de Engenharia de Materiais, Instituto Superior
Técnico, Lisboa, Portugal
Received:
26
May
1997
Accepted:
26
January
1998
An experimental study of 2D foam coarsening leading to a bamboo structure
is presented. The foams were prepared by a new technique, in which the foam
bubbles bridge between the liquid surface and a parallel glass plate at
a short distance. The foam was formed between two concentric circular walls
of separation D. The main result obtained is that the average bamboo segment
length, 
, in the final bamboo structure is 
, independent of the liquid fraction in the foam. A simple explanation
is provided for this result, based on measurements on 2D computer networks of
foams intersected by two parallel lines.
PACS: 82.70.Rr – Aerosols and foams / 83.70.Hq – Heterogeneous liquids: suspensions, dispersions, emulsions, pastes, slurries, foams, block copolymers, etc.
© EDP Sciences, 1998
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