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- Title
Three-dimensional simulation of liquid drop dynamics within unsaturated vertical Hele-Shaw cells.
- Authors
Huang, Hai; Meakin, Paul
- Abstract
A three-dimensional, multiphase fluid flow model with volume of fluid-interface tracking was developed and applied to study the multiphase dynamics of moving liquid drops of different sizes within vertical Hele-Shaw cells. The simulated moving velocities are significantly different from those obtained from a first-order analytical approximation, based on simple force-balance concepts. The simulation results also indicate that the moving drops can exhibit a variety of shapes and that the transition among these different shapes is largely determined by the moving velocities. More important, there is a transition from a linear moving regime at small capillary numbers, in which the capillary number scales linearly with the Bond number, to a nonlinear moving regime at large capillary numbers, in which the moving drop releases a train of droplets from its trailing edge. The train of droplets forms a variety of patterns at different moving velocities.
- Publication
Water Resources Research, 2008, Vol 44, Issue 3, pn/a
- ISSN
0043-1397
- Publication type
Article
- DOI
10.1029/2007WR006158