Imperial College London
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ProfessorStephenNeethling

Faculty of Engineering, Department of Earth Science & Engineering

Professor of Minerals Processing
 
 
 
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Contact

 

+44 (0)20 7594 9341s.neethling

 
 
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Location

 

RSM 2.35Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Tong:2017:10.1021/acs.langmuir.6b03663,
author = {Tong, M and Cole, K and Brito-Parada, PR and Neethling, S and Cilliers, JJ},
doi = {10.1021/acs.langmuir.6b03663},
journal = {LANGMUIR},
pages = {3839--3846},
title = {Geometry and Topology of Two-Dimensional Dry Foams: Computer Simulation and Experimental Characterization},
url = {http://dx.doi.org/10.1021/acs.langmuir.6b03663},
volume = {33},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Pseudo-two-dimensional (2D) foams are commonly used in foam studies as it is experimentally easier to measure the bubble size distribution and other geometric and topological properties of these foams than it is for a 3D foam. Despite the widespread use of 2D foams in both simulation and experimental studies, many important geometric and topological relationships are still not well understood. Film size, for example, is a key parameter in the stability of bubbles and the overall structure of foams. The relationship between the size distribution of the films in a foam and that of the bubbles themselves is thus a key relationship in the modeling and simulation of unstable foams. This work uses structural simulation from Surface Evolver to statistically analyze this relationship and to ultimately formulate a relationship for the film size in 2D foams that is shown to be valid across a wide range of different bubble polydispersities. These results and other topological features are then validated using digital image analysis of experimental pseudo-2D foams produced in a vertical Hele–Shaw cell, which contains a monolayer of bubbles between two plates. From both the experimental and computational results, it is shown that there is a distribution of sizes that a film can adopt and that this distribution is very strongly dependent on the sizes of the two bubbles to which the film is attached, especially the smaller one, but that it is virtually independent of the underlying polydispersity of the foam.
AU  - Tong,M
AU  - Cole,K
AU  - Brito-Parada,PR
AU  - Neethling,S
AU  - Cilliers,JJ
DO  - 10.1021/acs.langmuir.6b03663
EP  - 3846
PY  - 2017///
SN  - 0743-7463
SP  - 3839
TI  - Geometry and Topology of Two-Dimensional Dry Foams: Computer Simulation and Experimental Characterization
T2  - LANGMUIR
UR  - http://dx.doi.org/10.1021/acs.langmuir.6b03663
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000399860000032&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/48412
VL  - 33
ER  -
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