The interfacial torque on a partially submerged sphere

Document Type

Article

Publication Date

12-15-2004

Abstract

For a heavy spherical particle floating at the surface of a liquid, we show that the resultant torque exerted on the particle about its center by the interfacial forces is always zero, regardless of the position and shape of the contact line, provided only that the interfacial tension and the contact angle are constant. Interfacial tension therefore cannot rotate a spherical particle about its center. © 2004 Elsevier Inc. All rights reserved.

Identifier

7944224562 (Scopus)

Publication Title

Journal of Colloid and Interface Science

External Full Text Location

https://doi.org/10.1016/j.jcis.2004.06.087

ISSN

00219797

First Page

542

Last Page

543

Issue

2

Volume

280

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