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Title: The vicinity of an equilibrium three-phase contact line using density functional theory: Density profiles normal to the fluid interface
Authors: Nold, Andreas
MacDowell, Luis Gonzalez
Sibley, David N.
Goddard, Benjamin D.
Kalliadasis, Serafim
Keywords: Micro-/nanoscale phenomena
Non-continuum effects
Density-functional theory
Contact lines
Film-height dependent surface tension
Issue Date: 2018
Publisher: © Taylor & Francis
Citation: NOLD, A. ...et al., 2018. The vicinity of an equilibrium three-phase contact line using density functional theory: Density profiles normal to the fluid interface. Molecular Physics, 116 (17), pp.2239-2243.
Abstract: The paper by Nold et al. [Phys. Fluids, 26, 072001 (2014)] examined density profiles and the micro-scale structure of an equilibrium three-phase (liquid-vapour-solid) contact line in the immediate vicinity of the wall using elements from the statistical mechanics of classical fluids, namely density-functional theory. The present research note, building on the above work, further contributes to our understanding of the micro-scale structure of a contact line by quantifying the strong dependence of the liquid-vapour density profile on the normal distance to the interface, as compared to the dependence on the vertical distance to the substrate. A recent study by Benet et al. [J. Phys. Chem. C, 22079 (2014)] has shown that this could explain the emergence of a film-height dependent surface tension close to the wall, with implications for the Frumkin-Derjaguin theory
Description: This paper is in closed access until 27/05/2019.
Sponsor: AN, DNS, BDG and SK acknowledge financial support Imperial College (IC) through a DTG International Studentship, from the Engineering and Physical Sciences Research Council (EPSRC) of the UK through Grant No. EP/L027186, EP/L025159 and EP/L020564 and the European Research Council (ERC) through Advanced Grant No. 24703
Version: Accepted for publication
DOI: 10.1080/00268976.2018.1471223
URI: https://dspace.lboro.ac.uk/2134/32732
Publisher Link: https://doi.org/10.1080/00268976.2018.1471223
ISSN: 0026-8976
Appears in Collections:Closed Access (Maths)

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