Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/105152
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dc.contributor.authorZhao, Yugangen
dc.contributor.authorZhu, Fangqien
dc.contributor.authorZhang, Huien
dc.contributor.authorNew, Tze Howen
dc.contributor.authorJin, Liwenen
dc.contributor.authorYang, Chunen
dc.date.accessioned2019-06-12T03:36:09Zen
dc.date.accessioned2019-12-06T21:46:37Z-
dc.date.available2019-06-12T03:36:09Zen
dc.date.available2019-12-06T21:46:37Z-
dc.date.issued2019en
dc.identifier.citationZhao, Y., Zhu, F., Zhang, H., New, T. H., Jin, L., & Yang, C. (2019). Triple condensate halo from a single water droplet impacting upon a cold surface. Applied Physics Letters, 114(18), 183703-. doi:10.1063/1.5080356en
dc.identifier.issn0003-6951en
dc.identifier.urihttps://hdl.handle.net/10356/105152-
dc.description.abstractUnderstanding the dynamics of water droplets impacting upon a solid surface is of importance from both fundamental and practical standpoints. While the impact dynamics of a water droplet upon a heated surface has been extensively studied, the impact characteristics of droplets upon a cold surface remain elusive. Here, we report the formation of a triple condensate halo observed during a water droplet impacting at low velocity upon a cold surface. Due to the interplay of droplet impact and vapor mass diffusion during the droplet spreading and cooling processes, two condensation stages occur, engendering this unique condensate halo with three distinctive bands. We further examine experimentally the effects of droplet impact velocity (in terms of Weber number) and substrate temperature on the three bands of condensate halo. We also provide scaling analyses to explain the experimental results. Our experimental investigation and theoretical analysis reported in this study reveal insights into the droplet impact dynamics and the associated condensation heat transfer.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent5 p.en
dc.language.isoenen
dc.relation.ispartofseriesApplied Physics Lettersen
dc.rights© 2019 The Author(s). All rights reserved. This paper was published by AIP Publishing in Applied Physics Letters and is made available with permission of The Author(s).en
dc.subjectThermal Diffusionen
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.subjectOptical Imagingen
dc.titleTriple condensate halo from a single water droplet impacting upon a cold surfaceen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1063/1.5080356en
dc.description.versionPublished versionen
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