PREDICTION OF SUSPENSION VISCOELASTICITY THROUGH PARTICLE MOTION MODELING

被引:21
作者
TOIVAKKA, M [1 ]
EKLUND, D [1 ]
BOUSFIELD, DW [1 ]
机构
[1] UNIV MAINE,DEPT CHEM ENGN,ORONO,ME 04469
关键词
SUSPENSION VISCOELASTICITY; PARTICLE MOTION MODELING; PREDICTION; OSCILLATORY SHEAR FIELD;
D O I
10.1016/0377-0257(94)01273-K
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A modified Stokesian dynamics technique is used in an oscillatory shear field to obtain the elastic and storage modulus of the suspension of spherical particles in a Newtonian liquid. Electrostatic or steric repulsive forces between suspended particles result in a viscoelastic behavior of a concentrated suspension. The mechanism for energy storage is a particle microstructure phenomenon: the compression of the electrostatic potential by hydrodynamic forces stores energy.
引用
收藏
页码:49 / 64
页数:16
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