ANISOTROPIC PARTICLE DISTRIBUTION IN DILUTE SUSPENSIONS OF SOLID SPHERES IN CYLINDRICAL COUETTE-FLOW

被引：26

作者：

HUSBAND, DM ^{[1
]}

GADALAMARIA, F ^{[1
]}

机构：

[1] UNIV S CAROLINA,DEPT CHEM ENGN,COLUMBIA,SC 29208

来源：

JOURNAL OF RHEOLOGY | 1987年 / 31卷 / 01期

关键词：

SUSPENSIONS; -; Viscosity;

D O I：

10.1122/1.549916

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The pair distribution function of the particles in a noncolloidal suspension was for the first time measured experimentally. Evidence of anisotropy in dilute suspensions of solid spheres is presented. Suspensions of polystyrene spheres in silicone oils with volume fractions 0. 01 less than equivalent to c less than equivalent to 0. 05 were subjected to cylindrical Couette flow in a Weissenberg Rheogoniometer. Using automatic data gathering and processing techniques specially developed for this purpose, an analysis of the relative positions of the spheres showed that (under shear) the spheres were not uniformly distributed in the suspension, but rather were arranged anisotropically.

引用

页码：95 / 110

页数：16

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