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Topology changes of the interface between two immiscible liquid layers by a rotating lid

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Title: Topology changes of the interface between two immiscible liquid layers by a rotating lid
Authors: Fujimoto, Shuhei Browse this author
Takeda, Yasushi Browse this author
Keywords: deformation
drops
solubility
topology
Issue Date: Jul-2009
Publisher: American Physical Society
Journal Title: Physical Review E
Volume: 80
Issue: 1
Start Page: 015304
Publisher DOI: 10.1103/PhysRevE.80.015304
PMID: 19658762
Abstract: We report a deformation phenomenon occurring at the interface between two immiscible liquids. The two liquids are in a cylindrical container and set into motion by a rotating lid positioned above the interface. The upper liquid is more viscous than the lower and the difference in densities between the liquids is fairly small. As the rotational speed of the lid (Ω) is increased in small increments, the center of the interface rises and the height increases. Depending on Ω, the topology of the interface changes drastically. The shape of the interface depends strongly on Ω and also the volume fraction of the liquids. Some dynamical behavior of the interface accompanies the changes in topology: interfacial waves, the generation of droplets, and interfacial instability.
Rights: ©2009 The American Physical Society
Type: article
URI: http://hdl.handle.net/2115/39014
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 武田 靖

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