REVIEW ARTICLES: Micromechanical Models for Complex Fluids

Macroscopic Modeling of Viscous Suspension Flows

[+] Author and Article Information
John F. Brady

Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA

Appl. Mech. Rev 47(6S), S229-S235 (Jun 01, 1994) doi:10.1115/1.3124413 History: Online April 29, 2009


Shear-induced particle migration in viscous suspension flows is shown to lead to intrinsic concentration variations in inhomogeneous shear flow. A recently proposed suspension balance model is discussed that explains this migration as resulting from the requirement that the macroscopic suspension pressure be constant perpendicular to the direction of mean motion. The results of this model are shown to compare well with Stokesian Dynamics simulations of pressure-driven channel flow.

Copyright © 1994 by American Society of Mechanical Engineers
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