Droplet motion driven by surface freezing or melting: A mesoscopic hydrodynamic approach
Fluid Dynamics
2008-04-24 v2 Chemical Physics
Abstract
A fluid droplet may exhibit self-propelled motion by modifying the wetting properties of the substrate. We propose a novel model for droplet propagation upon a terraced landscape of ordered layers formed as a result of surface freezing driven by the contact angle dependence on the terrace thickness. Simultaneous melting or freezing of the terrace edge results in a joint droplet-terrace motion. The model is tested numerically and compared to experimental observations on long-chain alkane system in the vicinity of the surface melting point.
Keywords
Cite
@article{arxiv.physics/0504048,
title = {Droplet motion driven by surface freezing or melting: A mesoscopic hydrodynamic approach},
author = {Arik Yochelis and Len M. Pismen},
journal= {arXiv preprint arXiv:physics/0504048},
year = {2008}
}
Comments
4 pages, 3 figures