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Drop dynamics on chemically patterned surfaces

Abstract:

We compare numerical and experimental results exploring the behaviour of liquid drops moving across a surface patterned with hydrophobic and hydrophilic stripes. A lattice Boltzmann algorithm is used to solve the hydrodynamic equations of motion of the drops allowing us to investigate their behaviour as the stripe widths and the wettability contrast are altered. We explain how the motion of the drop is determined by the interplay between the driving force and the variation in surface force as...

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Publication status:
Published

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Publisher copy:
10.1209/epl/i2005-10452-0

Authors


Kusumaatmaja, H More by this author
Leopoldes, J More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
EUROPHYSICS LETTERS
Volume:
73
Issue:
5
Pages:
740-746
Publication date:
2006-03-05
DOI:
EISSN:
1286-4854
ISSN:
0295-5075
URN:
uuid:8f8bba31-722c-43d7-99a5-190252f2a7f1
Source identifiers:
3004
Local pid:
pubs:3004
Language:
English

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