Bubble entrapment through topological change

Handle URI:
http://hdl.handle.net/10754/552761
Title:
Bubble entrapment through topological change
Authors:
Thoroddsen, Sigurdur T. ( 0000-0001-6997-4311 ) ; Takehara, K.; Etoh, T. G.
Abstract:
When a viscousdrop impacts onto a solid surface, it entraps a myriad of microbubbles at the interface between liquid and solid. We present direct high-speed video observations of this entrapment. For viscousdrops, the tip of the spreading lamella is separated from the surface and levitated on a cushion of air. We show that the primary mechanism for the bubble entrapment is contact between this precursor sheet of liquid with the solid and not air pulled directly through cusps in the contact line. The sheet makes contact with the solid surface,forming a wetted patch, which grows in size, but only entraps a bubble when it meets the advancing contact line. The leading front of this wet patch can also lead to the localized thinning and puncturing of the liquid film producing strong splashing of droplets.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Bubble entrapment through topological change 2010, 22 (5):051701 Physics of Fluids
Publisher:
AIP Publishing
Journal:
Physics of Fluids
Issue Date:
3-May-2010
DOI:
10.1063/1.3407654
Type:
Article
ISSN:
10706631
Additional Links:
http://scitation.aip.org/content/aip/journal/pof2/22/5/10.1063/1.3407654
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorThoroddsen, Sigurdur T.en
dc.contributor.authorTakehara, K.en
dc.contributor.authorEtoh, T. G.en
dc.date.accessioned2015-05-14T06:32:02Zen
dc.date.available2015-05-14T06:32:02Zen
dc.date.issued2010-05-03en
dc.identifier.citationBubble entrapment through topological change 2010, 22 (5):051701 Physics of Fluidsen
dc.identifier.issn10706631en
dc.identifier.doi10.1063/1.3407654en
dc.identifier.urihttp://hdl.handle.net/10754/552761en
dc.description.abstractWhen a viscousdrop impacts onto a solid surface, it entraps a myriad of microbubbles at the interface between liquid and solid. We present direct high-speed video observations of this entrapment. For viscousdrops, the tip of the spreading lamella is separated from the surface and levitated on a cushion of air. We show that the primary mechanism for the bubble entrapment is contact between this precursor sheet of liquid with the solid and not air pulled directly through cusps in the contact line. The sheet makes contact with the solid surface,forming a wetted patch, which grows in size, but only entraps a bubble when it meets the advancing contact line. The leading front of this wet patch can also lead to the localized thinning and puncturing of the liquid film producing strong splashing of droplets.en
dc.publisherAIP Publishingen
dc.relation.urlhttp://scitation.aip.org/content/aip/journal/pof2/22/5/10.1063/1.3407654en
dc.rightsArchived with thanks to Physics of Fluidsen
dc.titleBubble entrapment through topological changeen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalPhysics of Fluidsen
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionCivil and Environmental Engineering, Kinki University, Higashi-Osaka 577-8502, Japanen
kaust.authorThoroddsen, Sigurdur T.en
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