Shear-rate-dependent structural order and viscosity of a fluid with short-range attractions

被引：7
|
作者：
Krekelberg, William P. [1 ]
Ganesan, Venkat [1 ,2 ]
Truskett, Thomas M. [1 ,2 ]
机构：
[1] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA
[2] Univ Texas Austin, Inst Theoret Chem, Austin, TX 78712 USA
来源：
PHYSICAL REVIEW E | 2008年 / 78卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.78.010201
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We study a model short-range attractive fluid under shear. For this system, the strength of interparticle attractions strongly influences the equilibrium structural order. We find that shear monotonically decreases structural order regardless of the strength of the attractions. There is a strong correlation between shear-rate-dependent viscosity and a structural order metric, suggesting a structurally based constitutive equation. This correlation also holds for the Lennard-Jones fluid.
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页数：4
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