Volume 51, Number 2, July 2000
|Page(s)||223 - 229|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 September 2002|
Cluster persistence: A discriminating probe of soap froth dynamics
Department of Physics, The Hong Kong University of Science and
Technology Clear Water Bay, Kowloon, Hong Kong
2 Physics Department, McGill University - Montréal QC, Canada H3A 2T8
3 Department of Physics, Bucknell University - Lewisburg, PA 17837, USA
Accepted: 18 May 2000
The persistent decay of bubble clusters in coarsening two-dimensional soap froths is measured experimentally as a function of cluster volume fraction. A dramatically stronger decay is observed in comparison to soap froth models and to measurements and calculations of persistence in other systems. The fraction of individual bubbles that contain any persistent area also decays, implying significant bubble motion and suggesting that T1 processes play an important role in froth persistence.
PACS: 82.70.Rr – Aerosols and foams / 05.70.Ln – Nonequilibrium and irreversible thermodynamics
© EDP Sciences, 2000
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