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

Research output: Contribution to a Journal (Peer & Non Peer) › Article › peer-review

43 Citations (Scopus)

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 Lx,y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as Lx∼γ̇-2/3 and Ly∼γ̇-3/4. We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.

Original language	English
Article number	085701
Journal	Physical Review Letters
Volume	96
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.96.085701
Publication status	Published - 2006
Externally published	Yes

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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 Lx,y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as Lx∼{\.γ}-2/3 and Ly∼{\.γ}-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

Y1 - 2006

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 Lx,y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as Lx∼γ̇-2/3 and Ly∼γ̇-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 Lx,y in the directions (x,y) of velocity and velocity gradient. Apparent scaling exponents are estimated as Lx∼γ̇-2/3 and Ly∼γ̇-3/4. We discuss the relative roles of diffusivity and hydrodynamics in attaining steady state.

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DO - 10.1103/PhysRevLett.96.085701

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JO - Physical Review Letters

JF - Physical Review Letters

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Nonequilibrium steady states in sheared binary fluids

Abstract

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