期刊
PHYSICAL REVIEW LETTERS
卷 116, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.018301
关键词
-
资金
- European Research Council, TRITOS [ERC-2013-CoG-616186]
- Swedish Research Council [2011-542, 638-2013-9243]
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 diameter, the spheres self-organize into two-dimensional layers that slide on each other and the effective viscosity of the suspension is significantly reduced. Each two-dimensional layer is found to be structurally liquidlike but its dynamics is frozen in time.
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