Theory of suspension segregation in partially filled horizontal rotating cylinders

被引：17
|
作者：
Govindarajan, R [1 ]
Nott, PR
Ramaswamy, S
机构：
[1] Jawaharlal Nehru Ctr Adv Sci Res, Fluid Dynam Unit, Bangalore 560064, Karnataka, India
[2] Indian Inst Sci, Dept Chem Engn, Bangalore 560012, Karnataka, India
[3] Indian Inst Sci, Dept Phys, Ctr Condensed Matter Theory, Bangalore 560012, Karnataka, India
来源：
PHYSICS OF FLUIDS | 2001年 / 13卷 / 12期
关键词：
D O I：
10.1063/1.1418362
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
It is shown that a suspension of particles in a partially-filled, horizontal, rotating cylinder is linearly unstable towards axial segregation and an undulation of the free surface at large enough particle concentrations. Relying on the shear-induced diffusion of particles, concentration-dependent viscosity, and the existence of a free surface, our theory provides an explanation of the experiments of Tirumkudulu [Phys. Fluids 11, 507 (1999); 12, 1615 (2000)]. (C) 2001 American Institute of Physics.
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页码：3517 / 3520
页数：4
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