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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 shape...

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Journal:
Future Generation Computer Systems
Volume:
20
Issue:
6 SPEC. ISS.
Pages:
993-1001
Publication date:
2004-08-05
DOI:
ISSN:
0167-739X
URN:
uuid:9cef4dd6-f6bd-46f6-9ad2-b6094661ca7f
Source identifiers:
365439
Local pid:
pubs:365439

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