منابع مشابه
Impact 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...
متن کاملThe Oscillations of a Viscous Liquid Drop*
By virtue of Green's Theorem, it is shown that for the diffraction of anarbitrary two-dimensional incident pulse by a wedge of angle n, the ratio of the resultantvelocity potential to the corresponding value of the incident pulse at the corner ofthe wedge at any instant is equal to 2x/ (2x — n); and that for the diffraction of a three-dimensional pulse by a cone of solid angle u...
متن کاملViscous to inertial crossover in liquid drop coalescence.
Using an electrical method and high-speed imaging, we probe drop coalescence down to 10 ns after the drops touch. By varying the liquid viscosity over two decades, we conclude that, at a sufficiently low approach velocity where deformation is not present, the drops coalesce with an unexpectedly late crossover time between a regime dominated by viscous and one dominated by inertial effects. We a...
متن کاملBreakup of a supported drop of a viscous conducting liquid in a uniform electric field.
Numerical computations and order-of-magnitude estimates are used to describe the time evolution of a drop of a very viscous liquid of finite electrical conductivity attached to a metallic plate which is suddenly subject to a uniform electric field. Under the action of the electric stresses induced at its surface, the drop elongates in the direction of the field, and charged droplets are emitted...
متن کاملShort time dynamics of viscous drop spreading
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2010
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.104.034504