Journal
POWDER TECHNOLOGY
Volume 234, Issue -, Pages 32-36Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.powtec.2012.09.028
Keywords
Powder characterization; Segregation; Separation; Granular Row
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Funding
- INANOMAT project of the Belgian Science Policy [IAP P6/17]
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We propose a method using an original apparatus to amplify any segregation from a granular mixture. The device is a superposition of four Hele Shaw cells for producing a cascade of granular flows that enhances the segregation process. After the flow cascade, the concentration of each granular species is measured in the different cells. From these concentrations, a parameter p that characterizes the ability of the mixture to segregate is calculated. The physical model used to calculate this parameter p is presented. Finally, the method is validated with a series of experiments performed with common granular materials. Relevant parameters behind segregation are evidenced. (C) 2012 Elsevier B.V. All rights reserved.
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