Some Questions Concerning a Small Sessile Bubble

Equations have been derived for the size dependence of the interfacial tension and contact angle of a small spherical sessile bubble under isothermal conditions. It has been shown that the account of the size dependence of the interfacial tension may violate the consistency condition for the contact...

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Bibliographic Details
Published inColloid journal of the Russian Academy of Sciences Vol. 83; no. 6; pp. 816 - 818
Main Author Rekhviashvili, S. Sh
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2021
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Contact angle
Droplets
Polymer Sciences
Short Communications
Surface tension
Surfaces and Interfaces
Thin Films
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Summary:Equations have been derived for the size dependence of the interfacial tension and contact angle of a small spherical sessile bubble under isothermal conditions. It has been shown that the account of the size dependence of the interfacial tension may violate the consistency condition for the contact angles of small bubbles and droplets. This dependence is manifested in the fact that the interfacial tension at a concave surface of a bubble is higher than that at a convex surface of a droplet.
ISSN:1061-933X
1608-3067
DOI:10.1134/S1061933X21060107