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Droplet actuation on a liquid layer due to thermocapillary motion: Shape effect
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10.1063/1.3456391
/content/aip/journal/apl/96/26/10.1063/1.3456391
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/26/10.1063/1.3456391

Figures

Image of FIG. 1.
FIG. 1.

Aqueous drops resting on the free surface of fluorocarbon liquid (FC-43) in a spherical mode (a) and lens mode (b).

Image of FIG. 2.
FIG. 2.

Schematic of the experimental setup (top). Photographs of initial surfaces of the liquid layer and when the heater is turned on (bottom). (Rise at the top left corner when heater is off, is due to the capillary rise of the meniscus at the solid wall; dashed line shows the undeformed free surface.)

Image of FIG. 3.
FIG. 3.

Characteristics of thermocapillary migration of lens-shaped drops away from the heat source (, , , , and ; , , , , and ) (Video 1, enhanced online). [URL: http://dx.doi.org/10.1063/1.3456391.1]10.1063/1.3456391.1

Image of FIG. 4.
FIG. 4.

Characteristics of thermocapillary and gravity driven migration of spherical drops toward the source of heat (, , , , and ; , , , , and ) (Video 2, enhanced online). [URL: http://dx.doi.org/10.1063/1.3456391.2]10.1063/1.3456391.2

Image of FIG. 5.
FIG. 5.

Comparison of normalized velocity from experiment and theory for (a) partially submerged lens drops and (b) spherical drops.

Tables

Generic image for table
Table I.

Physical properties of aqueous droplet and the fluorocarbon carrier liquid.

video/mp4,video/x-flv,video/flv,audio.mp3,audio.mpeg

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/content/aip/journal/apl/96/26/10.1063/1.3456391
2010-06-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Droplet actuation on a liquid layer due to thermocapillary motion: Shape effect
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/26/10.1063/1.3456391
10.1063/1.3456391
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