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Rheology of confined non-Brownian suspensions
- Source :
- Phys. Rev. Lett. 116, 018301 (2016)
- Publication Year :
- 2015
-
Abstract
- We study the rheology of confined suspensions of neutrally buoyant rigid monodisperse spheres in plane-Couette flow using Direct Numerical Simulations. We find that if the width of the channel is a (small) integer multiple of the sphere's diameter, the spheres self-organize into two-dimensional layers that slide on each other and the suspension's effective viscosity is significantly reduced. Each two-dimensional layer is found to be structurally liquid-like but their dynamics is frozen in time.<br />Comment: Submitted to PRL. Supplemental Material added as an appendix. Includes links to youtube videos
- Subjects :
- Condensed Matter - Soft Condensed Matter
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 116, 018301 (2016)
- Publication Type :
- Report
- Accession number :
- edsarx.1506.08722
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.116.018301