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A differential approach to suspensions with power-law matrices

โœ Scribed by Roger I. Tanner; Fuzhong Qi; Kostas D. Housiadas

Book ID
104024312
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
217 KB
Volume
165
Category
Article
ISSN
0377-0257

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โœฆ Synopsis

We apply the differential method of Roscoe (1952) to the problem of finding the viscosity of a suspension of non-colloidal spheres in a power-law matrix. The results are compared with other theories and published experiments, and reasonable agreement is found up to moderate concentrations ( โˆผ 0.5) when viscoelasticity and other effects are not important. The Roscoe paper depends on using a "crowding" function in the analysis; here two modified crowding functions are discussed, with a view to explaining the success of the Maron-Pierce formula, which does not reduce to the Einstein form for low concentrations.

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