Results 221 to 230 of about 15,776 (262)
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Dynamics of Wetting Layer Formation
Physical Review Letters, 2000We study the formation and growth of wetting layers in the binary liquid mixture cyclohexane-methanol. By progressively deuterating the methanol we can tune the equilibrium wetting layer thickness. Hysteresis of the transition is observed for large thicknesses and is absent for thinner ones.
Bonn, D. +3 more
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Journal of Colloid and Interface Science, 2000
We consider the dynamics of spreading of a small drop over a smooth solid surface. The analysis is concerned with complete wetting and accounts for capillary, viscous, and van der Waals effects, with two spreading geometries considered: cylindrical and axisymmetric. A complete description of the drop thickness, slope, and curvature profiles is provided.
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We consider the dynamics of spreading of a small drop over a smooth solid surface. The analysis is concerned with complete wetting and accounts for capillary, viscous, and van der Waals effects, with two spreading geometries considered: cylindrical and axisymmetric. A complete description of the drop thickness, slope, and curvature profiles is provided.
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1988
The problem to describe how a liquid front advances or recedes on a solid surface has already some hystory in physics. It has been the subject of many theoretical and experimental studies(1–8) of these, the treatment by De Gennes and Joanny(7) deserves attention because it has put much emphasis on the role of the precursor film in the dynamics of ...
A. M. Cazabat, M. A. Cohen Stuart
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The problem to describe how a liquid front advances or recedes on a solid surface has already some hystory in physics. It has been the subject of many theoretical and experimental studies(1–8) of these, the treatment by De Gennes and Joanny(7) deserves attention because it has put much emphasis on the role of the precursor film in the dynamics of ...
A. M. Cazabat, M. A. Cohen Stuart
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Dynamics of the critical wetting transition
Physical Review B, 1985The presence of long-range van der Waals forces in a system which undergoes a critical wetting transition gives rise to an unusually large relaxation time \ensuremath{\tau} which scales as \ensuremath{\Vert}T-${T}_{w}$${\ensuremath{\Vert}}^{\mathrm{\ensuremath{-}}5}$, where ${T}_{w}$ is the wetting temperature.
, Forgacs, , Orland, , Schick
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Journal of Colloid and Interface Science, 2000
The spreading of a tiny macroscopic drop of a nonvolatile, completely wetting liquid over a flat solid is considered, assuming no gravitation. A liquid, in creeping, is subjected to capillary forces and van der Waals forces. This nonstationary and nonlinear problem in the dynamics of the wetting film from a droplet is studied using numerical modeling ...
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The spreading of a tiny macroscopic drop of a nonvolatile, completely wetting liquid over a flat solid is considered, assuming no gravitation. A liquid, in creeping, is subjected to capillary forces and van der Waals forces. This nonstationary and nonlinear problem in the dynamics of the wetting film from a droplet is studied using numerical modeling ...
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Dynamics of wetting and Kramers’ theory
The European Physical Journal Special Topics, 2011We investigate the potential link between Kramer’s treatment of rate processes and the molecular-kinetic theory of wetting. The results of recent large-scale simulations of dynamic wetting are used to illustrate and validate our analysis. We find that both theories predict that, for a given driving force, the velocity of the contact line is inversely ...
Blake, T.D., De Coninck, Joël
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Dynamic wetting of Boger fluids
Journal of Colloid and Interface Science, 2007The impact of fluid elasticity on the dynamic wetting of polymer solutions is important because many polymer solutions in technological use exhibit non-Newtonian behaviors in the high shear environment of the wedge-like flow near a moving contact line. Our former study [G.K. Seevaratnam, Y. Suo, E. Ramé, L.M. Walker, Phys. Fluids 19 (2007) Art.
Y, Wei +4 more
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Dynamic wetting of viscoelastic droplets
Physical Review E, 2015We conduct numerical experiments on spreading of viscoelastic droplets on a flat surface. Our work considers a Giesekus fluid characterized by a shear-thinning viscosity and an Oldroyd-B fluid, which is close to a Boger fluid with constant viscosity.
Yuli, Wang +2 more
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An improved threshold dynamics method for wetting dynamics
Journal of Computational Physics, 2019zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dong Wang 0008 +2 more
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Forced Wetting Dynamics: A Molecular Dynamics Study
Langmuir, 2003We consider molecular dynamics simulations to study a polymerlike liquid meniscus between two parallel plates moving at constant opposite velocities. We investigate contact line motion versus the speed of the solid and the shapes of the liquid interface for several liquid/solid interaction amplitudes.
Gentner, F. +2 more
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