| Issue |
Europhys. Lett.
Volume 66, Number 1, April 2004
|
|
|---|---|---|
| Page(s) | 139 - 145 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2003-10191-2 | |
| Published online | 01 March 2004 | |
Flow and segregation in sheared granular slurries
1
CRPP - Avenue A. Schweitzer, 33600 Pessac, France
2
LPMCN, Université Claude Bernard Lyon I - 69622 Villeurbanne, France
3
CNAV - 15 avenue L. Jouhanneau, BP 7266, 37072 Tours, France
Received:
24
July
2003
Accepted:
8
January
2004
We study the behaviour of a granular slurry, i.e., a very concentrated suspension of heavy (denser than the fluid) and polydisperse particles sheared between two parallel-plane circular disks. For small gaps, the slurry behaves as a 2d system with a characteristic radial size segregation of particles. For large gaps, the slurry responds as a 3d system, with considerable vertical segregation and a concomitant 2-phase (fluid, solid) flow structure. The thickness ζ of the fluid phase is the 2d-3d gap crossover. Surprisingly, ζ is found to be nearly unaffected by very large changes in the particle size distribution.
PACS: 83.80.Hj – Suspensions, dispersions, pastes, slurries, colloids / 64.75.+g – Solubility, segregation, and mixing; phase separation / 83.85.Ei – Optical methods; rheo-optics
© EDP Sciences, 2004
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.