Nonequilibrium steady states in sheared binary fluids

P  Stansell; K  Stratford; J C  Desplat; R  Adhikari; M E  Cates

doi:10.1103/PhysRevLett.96.085701

Nonequilibrium steady states in sheared binary fluids

P Stansell, K Stratford, J C Desplat, R Adhikari, M E Cates

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

We simulate by lattice Boltzmann the steady shearing of a binary fluid mixture undergoing phase separation with full hydrodynamics in two dimensions. Contrary to some theoretical scenarios, a dynamical steady state is attained with finite domain lengths L-x,L-y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as L-x similar to gamma(-2/3) and L-y similar to gamma(-3/4). We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.

Original language	English
Article number	085701
Pages (from-to)	-
Number of pages	4
Journal	Physical Review Letters
Volume	96
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.96.085701
Publication status	Published - 3 Mar 2006

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10.1103/PhysRevLett.96.085701

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title = "Nonequilibrium steady states in sheared binary fluids",

abstract = "We simulate by lattice Boltzmann the steady shearing of a binary fluid mixture undergoing phase separation with full hydrodynamics in two dimensions. Contrary to some theoretical scenarios, a dynamical steady state is attained with finite domain lengths L-x,L-y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as L-x similar to gamma(-2/3) and L-y similar to gamma(-3/4). We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.",

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AU - Desplat, J C

AU - Adhikari, R

AU - Cates, M E

PY - 2006/3/3

Y1 - 2006/3/3

N2 - We simulate by lattice Boltzmann the steady shearing of a binary fluid mixture undergoing phase separation with full hydrodynamics in two dimensions. Contrary to some theoretical scenarios, a dynamical steady state is attained with finite domain lengths L-x,L-y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as L-x similar to gamma(-2/3) and L-y similar to gamma(-3/4). We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.

AB - We simulate by lattice Boltzmann the steady shearing of a binary fluid mixture undergoing phase separation with full hydrodynamics in two dimensions. Contrary to some theoretical scenarios, a dynamical steady state is attained with finite domain lengths L-x,L-y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as L-x similar to gamma(-2/3) and L-y similar to gamma(-3/4). We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.

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Nonequilibrium steady states in sheared binary fluids

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Edinburgh Soft Matter and Statistical Physics Group: Programme Grant

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Nonequilibrium steady states in sheared binary fluids

Abstract

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Edinburgh Soft Matter and Statistical Physics Group: Programme Grant

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