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dc.contributor.authorMurshed, S. M. Sohelen
dc.contributor.authorTan, Say-Hwaen
dc.contributor.authorNguyen, Nam-Trungen
dc.contributor.authorWong, Teck Nengen
dc.contributor.authorYobas, Leventen
dc.identifier.citationTan, S. H., Murshed, S. M. S., Nguyen, N. T., Wong, T. N. & Yobas, L. (2008). Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension. Journal of Physics D: Applied Physics, 41(16).en
dc.description.abstractThis paper reports experimental investigations on the droplet formation of deionized water and a nanofluid in a heat-induced microfluidic flow focusing device. Besides the effect of temperature, the effects of nanoparticle suspension (nanofluid) and the flow rate of aqueous fluid on the droplet formation and size manipulation were studied. At constant flow rates of the two liquids, three different droplet breakup regimes were observed and their transition capillary numbers as well as temperatures were identified. The heat generated by an integrated microheater changes the droplet formation process. Increasing the temperature enlarges the size of the droplets significantly. These results also demonstrate that the titanium oxide (15 nm)/deionized water-based nanofluid exhibits similar characteristics in droplet formation at different temperatures and any small change in the flow rate of this nanofluid has little impact on the size of the droplets formed in a flow focusing geometry.en
dc.format.extent22 p.en
dc.relation.ispartofseriesJournal of physics D: applied physicsen
dc.rights© 2008 IOP Publishing Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Physics D: Applied Physics, IOP Publishing Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: DOI: [].en
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleThermally controlled droplet formation in flow focusing geometry : formation regimes and effect of nanoparticle suspensionen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionAccepted versionen
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