Viscous resuspension in a tube: the impact of secondary flows resulting from second normal stress differences
A Ramachandran, DT Leighton - Physics of fluids, 2007 - pubs.aip.org
The viscous resuspension of non-neutrally buoyant particles has been modeled as a
competition between the rate of shear-induced diffusion and sedimentation or as a balance
between gradients in the particle stress and gravity. Typically, however, the rheology of the
suspension has been modeled using a simple concentration-dependent Newtonian
viscosity. In this paper, we demonstrate through theory and comparison with existing
experimental results that the anisotropy of the total stress tensor must be included to …
competition between the rate of shear-induced diffusion and sedimentation or as a balance
between gradients in the particle stress and gravity. Typically, however, the rheology of the
suspension has been modeled using a simple concentration-dependent Newtonian
viscosity. In this paper, we demonstrate through theory and comparison with existing
experimental results that the anisotropy of the total stress tensor must be included to …
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