On the effective viscosity of suspensions |
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Authors: | B. Abedian M. Kachanov |
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Affiliation: | Department of Mechanical Engineering, Tufts University, Medford, MA 02155, USA |
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Abstract: | This work discusses the classical problem of effective viscosity of a Newtonian fluid with rigid spherical particles. It argues that the simple non-interaction approximation when formulated correctly yields an effective viscosity ratio for the suspension in the form μ/μ0 = (1 − 2.5?)−1 that remains accurate at much higher volume fractions of particles ? than the usual first-order approximation μ/μ0 = 1 + 2.5?. |
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Keywords: | Suspension rheology Spherical particles Newtonian fluids Non-interacting Colloidal solutions |
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