Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 364667
Title Lattice Boltzmann simulations of droplet formation in a T-shaped microchannel
Author(s) Graaf, S. van der; Nisisako, T.; Schroën, C.G.P.H.; Sman, R.G.M. van der; Boom, R.M.
Source Langmuir 22 (2006)9. - ISSN 0743-7463 - p. 4144 - 4152.
Department(s) Food Process Engineering
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) in-water emulsions - membrane emulsification - numerical-simulation - complex fluids - liquid-gas - model - flows - interface - dynamics - mixture
Abstract We investigated the formation of a droplet from a single pore in a glass chip, which is a model system for droplet formation in membrane emulsification. Droplet formation was simulated with the lattice Boltzmann method, a method suitable for modeling on the mesoscale. We validated the lattice Boltzmann code with several benchmarks such as the flow profile in a rectangular channel, droplet deformation between two shearing plates, and a sessile drop on a plate with different wetting conditions. In all cases, the modeling results were in good agreement with the benchmark. A comparison of experimental droplet formation in a microchannel glass chip showed good quantitative agreement with the modeling results. With this code, droplet formation simulations with various interfacial tensions and various flow rates were performed. All resulting droplet sizes could be correlated quantitatively with the capillary number and the fluxes in the system.
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