Pinning-Depinning Mechanism of the Contact Line during Evaporation on Chemically Patterned Surfaces: A Lattice Boltzmann Study.

@article{Li2016PinningDepinningMO,
  title={Pinning-Depinning Mechanism of the Contact Line during Evaporation on Chemically Patterned Surfaces: A Lattice Boltzmann Study.},
  author={Qing Li and Ping Zhou and H. J. Yan},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2016},
  volume={32 37},
  pages={
          9389-96
        }
}
  • Qing Li, P. Zhou, H. Yan
  • Published 1 September 2016
  • Physics
  • Langmuir : the ACS journal of surfaces and colloids
In this paper, the pinning and depinning mechanism of the contact line during droplet evaporation on chemically stripe-patterned surfaces is numerically investigated using a thermal multiphase lattice Boltzmann (LB) model with liquid-vapor phase change. A local force balance in the context of diffuse interfaces is introduced to explain the equilibrium states of droplets on chemically patterned surfaces. It is shown that when the contact line is pinned on a hydrophobic-hydrophilic boundary… 
3D Lattice Boltzmann Simulation of Droplet Evaporation on Patterned Surfaces: Study of Pinning-Depinning Mechanism
The liquid-vapor phase change lattice Boltzmann method is used to investigate the pinning-depinning mechanism of the contact line during droplet evaporation on the stripe-patterned surfaces in 3D
Pinning-Depinning Mechanisms of the Contact Line during Evaporation of Microdroplets on Rough Surfaces: A Lattice Boltzmann Simulation.
TLDR
It is found that the drops sitting on rough surfaces show different behavior from those on smoother surfaces, and the pinning of the contact line is actually a slow motion rather than a complete immobilization at the sharp edges.
Pinning-Depinning Mechanism of the Contact Line during Evaporation of Nanodroplets on Heated Heterogeneous Surfaces: A Molecular Dynamics Simulation.
TLDR
It is found that the speed of the contact line may be not only affected by the intrinsic energy barrier between the two adjacent stripes but also relevant to the evaporation rate, which is different from the macroscopic stationary pinning.
Investigation of Equilibrium Droplet Shapes on Chemically Striped Patterned Surfaces Using Phase-Field Method.
TLDR
By comparing the movements of slowly evaporating and condensing droplets, this work has observed a hysteresis phenomenon, which reveals that the final shapes of droplets also rely on the moving paths.
Droplets trapped by a wetting surface with chemical defects in shear flows
Statics and dynamics of polymeric droplets on chemically homogeneous and heterogeneous substrates.
TLDR
A molecular dynamics study of the motion of cylindrical polymer droplets on striped surfaces, which shows that if the stripes are large enough the droplets are pinned until a critical force, and that the average velocity increases linearly with stripe width.
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