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Lattice Boltzmann modelling of droplets on chemically heterogeneous surfaces

Abstract:

We use a three-dimensional lattice Boltzmann model to investigate the spreading of mesoscopic droplets on homogeneous and heterogeneous surfaces. On a homogeneous substrate the base radius of the droplet grows with time as t(0.28) for a range of viscosities and surface tensions. The time evolutions collapse onto a single curve as a function of a dimensionless time. On a surface comprising of alternate lyophobic and lyophilic stripes the wetting velocity is anisotropic and the equilibrium shap...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Volume:
20
Issue:
6
Pages:
993-1001
Publication date:
2004-08-05
DOI:
ISSN:
0167-739X
URN:
uuid:5c0ad08c-f26c-49f8-956e-9da7ebbdcf03
Source identifiers:
29712
Local pid:
pubs:29712

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