The use of interferometry of measure flow characteristics of an oscillating draining film

A novel method to study the flow characteristics of thin liquid films draining down an oscillating vertical surface is presented. A Mach-Zehnder interferometer was used to measure changes in film thickness and parameters such as local gradient at the film surface were derived. The measurements were...

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Bibliographic Details
Published in:Journal of non-Newtonian fluid mechanics 1996-05, Vol.64 (1), p.1-17
Main Authors: Goshawk, J.A., Waters, N.D., Staples, E.J., Rennie, G.K.
Format: Article
Language:English
Subjects:
Draining film
Flow characteristics
Interferometry
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Summary:A novel method to study the flow characteristics of thin liquid films draining down an oscillating vertical surface is presented. A Mach-Zehnder interferometer was used to measure changes in film thickness and parameters such as local gradient at the film surface were derived. The measurements were found to be consistent with previous theoretical predictions.
ISSN:0377-0257
1873-2631
DOI:10.1016/0377-0257(96)01426-7