Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
13 (2001), S. 1517-1520
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The thermocapillary flow in a half zone model of an encapsulated liquid column was studied experimentally. The encapsulated liquid column was formed successfully with the use of two immiscible liquids, the silicone oil and Fluorinart. The thermocapillary convection was induced in the inner and outer columns by temperature difference imposed between top and bottom disks. With the increase of the temperature difference, the flow exhibited the transition from axisymmetric steady to nonaxisymmetric oscillatory flow. The oscillation started in the lower viscosity fluid and influenced the higher one. The critical Marangoni number was determined for different combinations of inner and outer column liquids. If the lower viscosity fluid was encapsulated with the higher one, the start of the oscillation was significantly retarded compared to the transition of the single column. © 2001 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1361093
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