Type
ArticleKAUST Grant Number
KUK-C1-013-04Date
2014Permanent link to this record
http://hdl.handle.net/10754/598706
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© the Partner Organisations 2014. We study the utility and validity of lattice-Boltzmann (LB) simulations to explore droplet evaporation driven by a concentration gradient. Using a binary-fluid lattice-Boltzmann algorithm based on Cahn-Hilliard dynamics, we study the evaporation of planar films and 3D sessile droplets from smooth solid surfaces. Our results show that LB simulations accurately reproduce the classical regime of quasi-static dynamics. Beyond this limit, we show that the algorithm can be used to explore regimes where the evaporative and diffusive timescales are not widely separated, and to include the effect of boundaries of prescribed driving concentration. We illustrate the method by considering the evaporation of a droplet from a solid surface that is chemically patterned with hydrophilic and hydrophobic stripes. This journal isCitation
Ledesma-Aguilar R, Vella D, Yeomans JM (2014) Lattice-Boltzmann simulations of droplet evaporation. Soft Matter 10: 8267–8275. Available: http://dx.doi.org/10.1039/c4sm01291g.Sponsors
This publication is based on work supported in part by Award no. KUK-C1-013-04, made by King Abdullah University of Science and Technology (KAUST) (RL-A and DV) and by the ERC Advanced Grant (MiCE) (JMY).Publisher
Royal Society of Chemistry (RSC)Journal
Soft MatterPubMed ID
25186667ae974a485f413a2113503eed53cd6c53
10.1039/c4sm01291g
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