Marangoni convection at alcohol aqueous solutions-air interfaces |
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| Authors: | G Pétré M A Azouni K Tshinyama |
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| Institution: | 1. ULB, Chimie Physique E. P. C. P. 165, 50 Avenue F.D. Roosevelt, B-1050, Brussels, Belgium
2. Lab. d'Aérothermique, 4ter Route des Gardes, F-92190, Meudon, France
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| Abstract: | For aqueousn-heptanol solutions and in a nearly two-dimensional flow, two strikingfeatures have been detected: - a shift of the minimum of the surface tension
- a discrepancy between the observed Marangoni flow velocities and the expected ones from static surface tension values.
A qualitative explanation is given. |
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