Filling a silo with a mixture of grains: Friction-induced segregation

A. Károlyi; J. Kertész; S. Havlin; H. A. Makse; H. E. Stanley

doi:10.1209/epl/i1998-00483-y

Filling a silo with a mixture of grains: Friction-induced segregation

A. Károlyi^*, J. Kertész, S. Havlin, H. A. Makse, H. E. Stanley

^*Corresponding author for this work

Department of Network and Data Science

Research output: Contribution to journal › Article › peer-review

Abstract (may include machine translation)

We study the filling process of a two-dimensional silo with inelastic particles by simulation of a granular-media lattice gas (GMLG) model. We calculate the surface shape and flow profiles for a monodisperse system and we introduce a novel generalization of the GMLG model for a binary mixture of particles of different friction properties where, for the first time, we measure the segregation process on the surface. The results are in good agreement with a recent theory, and we explain the observed small deviations by the nonuniform velocity profile.

Original language	English
Pages (from-to)	386-392
Number of pages	7
Journal	EPL
Volume	44
Issue number	3
DOIs	https://doi.org/10.1209/epl/i1998-00483-y
State	Published - 1 Nov 1998

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title = "Filling a silo with a mixture of grains: Friction-induced segregation",

abstract = "We study the filling process of a two-dimensional silo with inelastic particles by simulation of a granular-media lattice gas (GMLG) model. We calculate the surface shape and flow profiles for a monodisperse system and we introduce a novel generalization of the GMLG model for a binary mixture of particles of different friction properties where, for the first time, we measure the segregation process on the surface. The results are in good agreement with a recent theory, and we explain the observed small deviations by the nonuniform velocity profile.",

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T2 - Friction-induced segregation

AU - Károlyi, A.

AU - Kertész, J.

AU - Havlin, S.

AU - Makse, H. A.

AU - Stanley, H. E.

PY - 1998/11/1

Y1 - 1998/11/1

N2 - We study the filling process of a two-dimensional silo with inelastic particles by simulation of a granular-media lattice gas (GMLG) model. We calculate the surface shape and flow profiles for a monodisperse system and we introduce a novel generalization of the GMLG model for a binary mixture of particles of different friction properties where, for the first time, we measure the segregation process on the surface. The results are in good agreement with a recent theory, and we explain the observed small deviations by the nonuniform velocity profile.

AB - We study the filling process of a two-dimensional silo with inelastic particles by simulation of a granular-media lattice gas (GMLG) model. We calculate the surface shape and flow profiles for a monodisperse system and we introduce a novel generalization of the GMLG model for a binary mixture of particles of different friction properties where, for the first time, we measure the segregation process on the surface. The results are in good agreement with a recent theory, and we explain the observed small deviations by the nonuniform velocity profile.

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DO - 10.1209/epl/i1998-00483-y

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SP - 386

EP - 392

JO - EPL

JF - EPL

IS - 3

ER -

Filling a silo with a mixture of grains: Friction-induced segregation

Abstract (may include machine translation)

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