A dilation-driven vortex flow in sheared granular materials explains a rheometric anomaly

Flowing granular materials exhibit fluid-like features, but not all of them can be described by extending fluid mechanics. Here, the authors show vortex flow in a granular layer sheared between coaxial cylinders, and attribute it to the effect that the material moves away from the sheared region.

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Detalles Bibliográficos
Autores principales: K. P. Krishnaraj, Prabhu R. Nott
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Acceso en línea:https://doaj.org/article/3e900c9fb7394db4afdc8c1814b5ce06
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Descripción
Sumario:Flowing granular materials exhibit fluid-like features, but not all of them can be described by extending fluid mechanics. Here, the authors show vortex flow in a granular layer sheared between coaxial cylinders, and attribute it to the effect that the material moves away from the sheared region.