Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcis.2008.08.046
DC FieldValue
dc.titleNumerical investigation of transporting droplets by spatiotemporally controlling substrate wettability
dc.contributor.authorHuang, J.J.
dc.contributor.authorShu, C.
dc.contributor.authorChew, Y.T.
dc.date.accessioned2014-04-24T09:35:54Z
dc.date.available2014-04-24T09:35:54Z
dc.date.issued2008-12-01
dc.identifier.citationHuang, J.J., Shu, C., Chew, Y.T. (2008-12-01). Numerical investigation of transporting droplets by spatiotemporally controlling substrate wettability. Journal of Colloid and Interface Science 328 (1) : 124-133. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcis.2008.08.046
dc.identifier.issn00219797
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/51484
dc.description.abstractDroplet behaviors on substrates with wettability controlled both in space and in time are numerically investigated by using the lattice Boltzmann method. Several typical droplet responses are found under different designs of substrate wettability control. Special attention is drawn to the conditions under which rapid transport of droplets can be achieved. It is found that on alternating non-wetting-wetting units with proper non-wetting confining stripes, this objective can be realized when the frequency of wettability switch approximately matches that of the droplet to move across one unit. The variation of the "optimal" frequency with the size of the confining stripe is sought within certain ranges. The various types of droplet movement are analyzed by looking at the three-phase lines on the substrate, as well as the droplet shapes under different conditions. The results may provide useful implications for droplet manipulation in microfluidic devices. © 2008 Elsevier Inc. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jcis.2008.08.046
dc.sourceScopus
dc.subjectControl
dc.subjectDroplet
dc.subjectLattice Boltzmann method
dc.subjectMicrofluidics
dc.subjectWettability
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.departmentTEMASEK LABORATORIES
dc.description.doi10.1016/j.jcis.2008.08.046
dc.description.sourcetitleJournal of Colloid and Interface Science
dc.description.volume328
dc.description.issue1
dc.description.page124-133
dc.description.codenJCISA
dc.identifier.isiut000261042800019
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