Artículo
Physics of Compaction of Fine Cohesive Particles
Autor/es | Castellanos Mata, Antonio
Valverde Millán, José Manuel Sánchez Quintanilla, Miguel Angel |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2005 |
Fecha de depósito | 2015-07-17 |
Publicado en |
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Resumen | Fluidized fractal clusters of fine particles display critical-like dynamics at the jamming transition, characterized by a power law relating consolidation stress with volume fraction increment. At a critical stress clusters ... Fluidized fractal clusters of fine particles display critical-like dynamics at the jamming transition, characterized by a power law relating consolidation stress with volume fraction increment. At a critical stress clusters are disrupted and there is a crossover to a logarithmic law resembling the phenomenology of soils. We measure _ _ _@__1=__=@ log_^ c / Bo0:2 g , where Bog is the ratio of interparticle attractive force (in the fluidlike regime) to particle weight. This law suggests that compaction is ruled by the internal packing structure of the jammed clusters at nearly zero consolidation. |
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