Continuous and discontinuous dynamic unbinding transitions in drawn film flow

Galvagno M, Tseluiko D, Lopez H, Thiele U

Research article (journal) | Peer reviewed

Abstract

When a plate is withdrawn from a liquid bath a coating layer is deposited whose thickness and homogeneity depend on the velocity and the wetting properties of the plate. Using a long-wave mesoscopic hydrodynamic description that incorporates wettability via a Derjaguin (disjoining) pressure we identify four qualitatively different dynamic transitions between microscopic and macroscopic coatings that are out-of-equilibrium equivalents of known equilibrium unbinding transitions. Namely, these are continuous and discontinuous dynamic wetting and emptying transitions. Several of their features have no equivalent at equilibrium.

Details about the publication

JournalPhysical Review Letters (Phys. Rev. Lett.)
Volume112
StatusPublished
Release year2014
Language in which the publication is writtenEnglish
DOI10.1103/PhysRevLett.112.137803

Authors from the University of Münster

Thiele, Uwe
Professur für Theoretische Physik (Prof. Thiele)
Center for Nonlinear Science
Center for Multiscale Theory and Computation