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Proceedings Paper

Study on flow patterns of oscillatory thermocapillary convection in floating half zone by PIV
Author(s): Y. Aa; Z. H. Cao; W. R. Hu
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Paper Abstract

The velocity fields of oscillatory convection have been measured using the techniques of Particle Image Velocimetry (PIV) in a liquid bridge of half floating zone with small typical scales of a few millimeters for emphasizing the thermocapillary effect in comparison with the effect of buoyancy. The flow patterns of the oscillatory flow have been studied experimentally in a liquid bridge. The flow patterns in the liquid bridge are classifeid with mode numbers according to oscillatory flow characteristics. Results of the experiment show that the mode depends on the aspect ratio as well as the volume ratio of the liquid bridge. The experimental results are helpful for studying the structure of flow at the onset of oscillatory thermocapillary convection in a liquid bridge.

Paper Details

Date Published: 29 April 2003
PDF: 6 pages
Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); doi: 10.1117/12.509535
Show Author Affiliations
Y. Aa, CAS, Institute of Mechanics (China)
Z. H. Cao, CAS, Institute of Mechanics (China)
W. R. Hu, CAS, Institute of Mechanics (China)


Published in SPIE Proceedings Vol. 5058:
Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002

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