Generalized hydrodynamics of a dilute suspension of finite-sized particles: dynamic viscosity.
Phys Rev E Stat Nonlin Soft Matter Phys
; 74(5 Pt 1): 051401, 2006 Nov.
Article
em En
| MEDLINE
| ID: mdl-17279903
We present a mesoscopic hydrodynamic description of the dynamics of colloidal suspensions. We consider the system as a gas of Brownian particles suspended in a Newtonian heat bath subjected to stationary nonequilibrium conditions imposed by a velocity field. By means of a generalized Fokker-Planck equation, we obtain a set of coupled differential equations for the local diffusion current and the evolution of the total stress tensor. We find that the dynamic shear viscosity of the system contains contributions arising from the finite size of the particles.
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01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Phys Rev E Stat Nonlin Soft Matter Phys
Assunto da revista:
BIOFISICA
/
FISIOLOGIA
Ano de publicação:
2006
Tipo de documento:
Article
País de afiliação:
México
País de publicação:
Estados Unidos