Order Parameter Modeling of Fluid Dynamics in Narrow Confinements Subjected to Hydrophobic Interactions
Abstract
A novel phase-field approach is developed for quantitative modeling of the complex thermophysics over reduced length scales in narrow fluidic confinements, as induced by the surface roughness-hydrophobicity coupling and the consequent hydrodynamic interactions. The method is tested for flows on micro- and nano- corrugated surfaces in narrow confinements, and the agreement with molecular dynamics and lattice Boltzmann simulations is found to be quantitative.
- Publication:
-
Physical Review Letters
- Pub Date:
- August 2007
- DOI:
- 10.1103/PhysRevLett.99.094504
- Bibcode:
- 2007PhRvL..99i4504C
- Keywords:
-
- 47.61.-k;
- Micro- and nano- scale flow phenomena