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A stable transitional flow pattern in the surface tension driven spreading of ethanol-water solutions

Walters, Deron A. (1990) A stable transitional flow pattern in the surface tension driven spreading of ethanol-water solutions. Langmuir, 6 (5). pp. 991-994. ISSN 0743-7463. https://resolver.caltech.edu/CaltechAUTHORS:20180313-152735422

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Abstract

When a drop of one ethanol-water solution is placed on the surface of a different ethanol-water solution, the difference in surface tension along the drop boundary causes spreading behavior which depends sensitively on the ethanol concentrations of the two bulk phases. Within a narrow range of concentration combinations, an intricate flow pattern with azimuthal symmetry was observed through the use of schlieren photography. This phenomenon, believed to be a novel Marangoni effect, was characterized in terms of its qualitative features and the region of concentrations for which it occurred. The concentration zone was consistent with a fixed surface tension difference between the two solutions.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1021/la00095a018DOIArticle
https://pubs.acs.org/doi/abs/10.1021/la00095a018PublisherArticle
Additional Information:© 1990 American Chemical Society. Received March 3, 1989. In Final Form: November 2, 1989.
Issue or Number:5
Record Number:CaltechAUTHORS:20180313-152735422
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180313-152735422
Official Citation:A stable transitional flow pattern in the surface tension driven spreading of ethanol-water solutions. Deron A. Walters. Langmuir 1990 6 (5), 991-994. DOI: 10.1021/la00095a018
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85289
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Mar 2018 22:34
Last Modified:03 Oct 2019 19:29

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