Tests of Dynamical Scaling in 3-D Spinodal Decomposition

Abstract

We simulate late-stage coarsening of a 3-D symmetric binary fluid. With reduced units l,t (with scales set by viscosity, density and surface tension) our data extends two decades in t beyond earlier work. Across at least four decades, our own and others' individual datasets (< 1 decade each) show viscous hydrodynamic scaling (l ~ a + b t), but b is not constant between runs as this scaling demands. This betrays either the unexpected intrusion of a discretization (or molecular) lengthscale, or an exceptionally slow crossover between viscous and inertial regimes.

Submitted to Phys. Rev. E

References in corpus (6)

• Theory of Phase Ordering Kinetics
• Phase space geometry and slow dynamics
• Breakdown of scale-invariance in the coarsening of phase-separating binary fluids
• Hydrodynamic Spinodal Decomposition: Growth Kinetics and Scaling Functions
• Molecular Dynamics Simulation of Spinodal Decomposition in Three-Dimensional Binary Fluids
• Spinodal Decomposition in Binary Gases

Cited by in corpus (17)

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• 3D Spinodal Decomposition in the Inertial Regime
• Hydrodynamic bubble coarsening in off-critical vapour-liquid phase separation
• Spinodal decomposition of off-critical quenches with a viscous phase using dissipative particle dynamics in two and three spatial dimensions
• Three-dimensional lattice-Boltzmann simulations of critical spinodal decomposition in binary immiscible fluids
• Spinodal Decomposition in Thin Films: Molecular Dynamics Simulations of a Binary Lennard-Jones Fluid Mixture
• Phase ordering of two-dimensional symmetric binary fluids: a droplet scaling state
• Binary fluids under steady shear in three dimensions
• A three-dimensional lattice gas model for amphiphilic fluid dynamics
• Three dimensional hydrodynamic lattice-gas simulations of domain growth and self-assembly in binary immiscible and ternary amphiphilic fluids
• A scaling theory of 3D spinodal turbulence
• Dynamical geometry for multiscale dissipative particle dynamics
• On self similarity and coarsening rate of a convecting bicontinuous phase separating mixture: effect of the viscosity contrast
• Persistence exponents in a 3D symmetric binary fluid mixture