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Issue 11, 2015
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Phase separation in ternary fluid mixtures: a molecular dynamics study

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Abstract

We present detailed results from molecular dynamics (MD) simulations of phase separation in ternary (ABC) fluid mixtures for d = 2 and d = 3 systems. Our MD simulations naturally incorporate hydrodynamic effects. The domain growth law is l(t) ∼ tϕ with dynamic growth exponent ϕ. Our data clearly indicate that a ternary fluid mixture reaches a dynamical scaling regime at late times with a gradual crossover from ϕ = 1/3 → 1/2 → 2/3 in d = 2 and ϕ = 1/3 → 1 in d = 3 resulting from the hydrodynamic effect in the system. These MD simulations do not yet access the inertial hydrodynamic regime (with l(t) ∼ t2/3) of phase separation in ternary fluid mixtures in d = 3.

Graphical abstract: Phase separation in ternary fluid mixtures: a molecular dynamics study

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Article information


Submitted
08 Dec 2014
Accepted
20 Jan 2015
First published
02 Feb 2015

Soft Matter, 2015,11, 2213-2219
Article type
Paper
Author version available

Phase separation in ternary fluid mixtures: a molecular dynamics study

A. Singh and S. Puri, Soft Matter, 2015, 11, 2213
DOI: 10.1039/C4SM02726D

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