Loughborough University
Leicestershire, UK
LE11 3TU
+44 (0)1509 263171
Loughborough University

Loughborough University Institutional Repository

Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/5672

Title: Surface forces and wetting phenomena
Authors: Starov, Victor
Velarde, M.G.
Issue Date: 2009
Publisher: © Institute of Physics
Citation: STAROV, V. and VELARDE, M.G., 2009. Surface forces and wetting phenomena. Journal of Physics: Condensed Matter, 21 (46), pp. 464121
Abstract: Conditions for thermodynamic equilibrium of liquid drops on solid substrates are presented. It is shown that if surface force (disjoining/conjoining Derjaguin pressure) action in a vicinity of the three-phase contact line is taken into account the condition of thermodynamic equilibrium is duly satisfied. Then the thermodynamic expressions for equilibrium contact angles of drops on solid substrates and menisci in thin capillaries are expressed in terms of the corresponding Derjaguin isotherm. It is shown that equilibrium contact angles of drops vary significantly depending on the vapour pressure in the ambient atmosphere, while there is a single, unique equilibrium contact angle in thin capillaries. It is also shown that the static advancing contact angle of a drop depends on its volume, in agreement with experimental data. In the case of menisci in capillaries, the expression for the receding contact angle is deduced, with results that are also in agreement with known experimental data.
Description: This article is closed access, it was published in the serial, Journal of Physics: Condensed Matter [© Institute of Physics]. It is available at; http://dx.doi.org/10.1088/0953-8984/21/46/464121
Version: Closed access
DOI: 10.1088/0953-8984/21/46/464121
URI: https://dspace.lboro.ac.uk/2134/5672
ISSN: 0953-8984
Appears in Collections:Closed Access (Chemical Engineering)

Files associated with this item:

File Description SizeFormat
JPhysCiondensMatter.pdf503.79 kBAdobe PDFView/Open


SFX Query

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.