Study of the Marangoni convection around a surface tension minimum under microgravity conditions |
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Authors: | JC Legros G Pétré MC Limbourg-Fontaine |
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Institution: | University of Brussels, Chemical Physics Department E. P. (CP.165), 50 Ave. F.D. Roosevelt, B-1050-Brussels, Belgium |
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Abstract: | At equilibrium, aqueous fatty alcohol solutions presents a surface tension minimum versus temperature. The influence of such an extremum on the Marangoni convection is studied. Two experiments have been performed under microgravity conditions (Texus 8 (1983) and Texus 9 (1984) flights). The velocity fields are determined by following the paths of tracer particles and furthermore, in the Texus 9 experiment, differential interferograms have been recorded. |
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