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Hydrodynamically induced cross stream migration of dissolved macromolecules (modelled as nonlinearly elastic dumbbells)

Authors
Journal
International Journal of Multiphase Flow
0301-9322
Publisher
Elsevier
Publication Date
Volume
9
Issue
2
Identifiers
DOI: 10.1016/0301-9322(83)90053-8

Abstract

Abstract The hydrodynamically induced cross-stream migration of a nonlinear elastic dumbbell in nonhomogeneous flows is considered. A generally valid expression for the migration velocity is derived and the result applied to viscometric flows. Effects of elasticity and size of the particle, as well as the strength of the flow field, are studied in detail for channel flow and for circular Couette flow. Estimates of the dynamics of developments of non-uniform concentration profiles are discussed.

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