Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/9383
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dc.contributor.authorMancio Reis, FM-
dc.contributor.authorLavieille, P-
dc.contributor.authorMiscevic, M-
dc.contributor.author4th Micro and Nano Flows Conference (MNF2014)-
dc.date.accessioned2014-12-05T11:51:46Z-
dc.date.available2014-12-05T11:51:46Z-
dc.date.issued2014-
dc.identifier.citation4th Micro and Nano Flows Conference, University College London, UK, 7-10 September 2014, Editors CS König, TG Karayiannis and S. Balabanien_US
dc.identifier.isbn978-1-908549-16-7-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/9383-
dc.descriptionThis paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the Process Intensification Network, the Institution of Mechanical Engineers, the Heat Transfer Society, HEXAG - the Heat Exchange Action Group, and the Energy Institute, ASME Press, LCN London Centre for Nanotechnology, UCL University College London, UCL Engineering, the International NanoScience Community, www.nanopaprika.eu.en_US
dc.description.abstractThis paper focuses on the behaviour of a liquid droplet over the surface of a treated solid substrate. It deals with the use of surface tension forces induced by setting up a gradient of wettability to allow the evacuation of the dispersed phase. The main aim is to present a new model capable of predicting the motion of a droplet of known volume over a surface with a wettability gradient that explicitly takes contact angle hysteresis into account. Several authors have established a phenomenological footprint radius, from which the droplet starts moving. Our model, provides a relationship to find this critical droplet size. The results show that the contact angle hysteresis parameter appears to be a key issue in droplet dynamics and in the accurate prediction of droplet motion.en_US
dc.language.isoenen_US
dc.publisherBrunel University Londonen_US
dc.relation.ispartofseriesID 140-
dc.subjectWettability gradienten_US
dc.subjectContact angle hysteresisen_US
dc.subjectDroplet hydrodynamicsen_US
dc.titleA model for uphill droplet motionen_US
dc.typeConference Paperen_US
Appears in Collections:Brunel Institute for Bioengineering (BIB)
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