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Types of gas fluidization of cohesive granular materials


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Opened Access Types of gas fluidization of cohesive granular materials

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Author: Valverde Millán, José Manuel
Castellanos Mata, Antonio
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 2007
Published in: Physical review E. Statistical, nonlinear, and soft matter physics, 75, 3, 031306-1-031306-6
Document type: Article
Abstract: Some years ago it was shown that gas-fluidized powders may transit from solidlike to fluidlike fluidization prior to bubbling, shedding light on a long-standing controversy on the nature of “homogeneous” fluidization. In this paper it is shown that some gas-fluidized powders may also transit from the fluidlike regime to elutriation, with full suppression of the bubbling regime. We provide a diagram that can be used to predict these types of fluidization exhibited by cohesive powders based on simple phenomenological equations in which particle aggregation due to attractive forces is a key ingredient.
Cite: Valverde Millán, J.M. y Castellanos Mata, A. (2007). Types of gas fluidization of cohesive granular materials. Physical review E. Statistical, 75 (3), 031306-1-031306-6.
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DOI: 10.1103/PhysRevE.75.031306

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