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Theory of suspension segregation in partially filled horizontal rotating cylinders

Govindarajan, Rama and Nott, Prabhu R and Ramaswamy, Sriram (2001) Theory of suspension segregation in partially filled horizontal rotating cylinders. In: Physics of Fluids, 13 (12). pp. 3517-3520.

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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 et al. [Phys. Fluids 11, 507 (1999); 12, 1615 (2000)].

Item Type: Journal Article
Publication: Physics of Fluids
Publisher: American Institute of Physics
Additional Information: Copyright of this article belongs to American Institute of Physics.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 23 Sep 2008 05:35
Last Modified: 19 Sep 2010 04:50
URI: http://eprints.iisc.ac.in/id/eprint/15942

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