منابع مشابه
Ten themes of viscous liquid dynamics
The solidity of viscous liquids – their “solid-like-ness” – gives rise to several conjectures, here referred to as themes. We show how these themes point to a general description of equilibrium viscous liquid dynamics at a given temperature. This description is based on standard time-dependent GinzburgLandau equations for the density fields, stress tensor fields, potential energy density field,...
متن کاملForced dynamics of a short viscous liquid bridge
The dynamics of an axisymmetric liquid bridge of a fluid of density ρ, viscosity μ and surface tension σ held between two co-axial disks of equal radius e is studied when one disk is slowly moved with a velocity U(t). The analysis is performed using a one-dimensional model for thin bridges. We consider attached boundary conditions (the contact line is fixed to the boundary of the disk), neglect...
متن کاملDynamics of particle - particle collisions in a viscous liquid
When two solid spheres collide in a liquid, the dynamic collision process is slowed by viscous dissipation and the increased pressure in the interparticle gap as compared with dry collisions. This paper investigates liquid-immersed head-on and oblique collisions, which complements previously investigated particle-on-wall immersed collisions. By defining the normal from the line of centers at co...
متن کاملOn the breakup of viscous liquid threads
A one-dimensional model evolution equation is used to describe the nonlinear dynamics that can lead to the breakup of a cylindrical thread of Newtonian uid when capillary forces drive the motion. The model is derived from the Stokes equations by use of rational asymptotic expansions and under a slender jet approximation. The equations are solved numerically and the jet radius is found to vanish...
متن کاملImpact of a viscous liquid drop.
We simulate the impact of a viscous liquid drop onto a smooth dry solid surface. As in experiments, when ambient air effects are negligible, impact flattens the falling drop without producing a splash. The no-slip boundary condition at the wall produces a boundary layer inside the liquid. Later, the flattening surface of the drop traces out the boundary layer. As a result, the eventual shape of...
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ژورنال
عنوان ژورنال: Journal of Physics: Condensed Matter
سال: 2007
ISSN: 0953-8984,1361-648X
DOI: 10.1088/0953-8984/19/20/205105