Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities

Transient Three-Dimensional Flow Field Measurements by Means of 3D µPTV in Drying Poly(Vinyl Acetate)-Methanol Thin Films Subject to Short-Scale Marangoni Instabilities

Convective Marangoni instabilities in drying polymer films may induce surface deformations, which persist in the dry film, deteriorating product performance. While theoretic stability analyses are abundantly available, experimental data are scarce. We report transient three-dimensional flow field me...

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Bibliographic Details
Main Authors: Max Tönsmann, Philip Scharfer, Wilhelm Schabel
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Polymers
Subjects:
polymer film drying
Marangoni number
particle tracking velocimetry
flow field
convective instability
Online Access:https://www.mdpi.com/2073-4360/13/8/1223

Internet

https://www.mdpi.com/2073-4360/13/8/1223

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