Rheology of confined non-Brownian suspensions
arXiv:1506.08722 · doi:10.1103/PhysRevLett.116.018301
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.
Submitted to PRL. Supplemental Material added as an appendix. Includes links to youtube videos
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Cited by in corpus (16)
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