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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/18422

Title: Dynamic unbinding transitions and deposition patterns in dragged meniscus problems
Authors: Galvagno, Mariano
Tseluiko, Dmitri
Thiele, Uwe
Editors: Konig, C.S.
Karayiannis, T.G.
Balabani, S.
Issue Date: 2014
Publisher: Brunel University London
Citation: GALVAGNO, M., TSELUIKO, D. and THIELE, U., 2014. Dynamic unbinding transitions and deposition patterns in dragged meniscus problems. IN: Karayiannis, T., Konig, C.S. and Balabani, S. (eds). Proceedings of the 4th Micro and Nano Flows Conference (MNF2014), 6th-10th September 2014, University College London.
Abstract: We sketch main results of our recent work on the transfer of a thin liquid film onto a flat plate that is extracted from a bath of pure non-volatile liquid. Employing a long-wave hydrodynamic model, that incorporates wettability via a Derjaguin (disjoining) pressure, we analyse steady-state meniscus profiles as the plate velocity is changed. We identify four qualitatively different dynamic transitions between microscopic and macroscopic coatings that are out-of-equilibrium equivalents of equilibrium unbinding transitions. The conclusion briefly discusses how the gradient dynamics formulation of the problem allows one to systematically extend the employed one-component model into thermodynamically consistent two-component models as used to describe, e.g., the formation of line patterns during the Langmuir-Blodgett transfer of a surfactant layer.
Description: This conference paper is closed access.
Sponsor: We acknowledge support by the EU via the FP7 Marie Curie scheme (ITN MULTIFLOW, PITN-GA-2008-214919). The work of DT was partly supported by the EPSRC under grants EP/J001740/1, EP/K041134/1.
Version: Submitted for publication
URI: https://dspace.lboro.ac.uk/2134/18422
ISBN: 9781908549167
Appears in Collections:Closed Access (Maths)

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