Density-driven spontaneous streak segregation patterns in a thin rotating drum

C. C. Liao, S. S. Hsiau, H. C. Nien

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22 Scopus citations

Abstract

Granular mixtures may segregate because of external driving forces, which play an important role in industry and geophysics. We investigate experimentally the mechanism of density-driven spontaneous streak segregation patterns in a thin rotating drum. We find that a spontaneous streak segregation pattern can occur in such a system, which we call a D-system. A phase diagram identifies three segregation pattern regimes in this study: the mixing regime, the core segregation regime, and the streak segregation regime.

Original languageEnglish
Article number062204
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume89
Issue number6
DOIs
StatePublished - 13 Jun 2014

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