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Article: Micromechanical origin of grain size segregation

TitleMicromechanical origin of grain size segregation
Authors
Issue Date2017
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2017, v. 118 n. 11, article no. 118001 How to Cite?
AbstractWe computationally study the micromechanics of shear-induced size segregation and propose distinct migration mechanisms for individual large and small particles. While small particles percolate through voids without enduring contacts, large particles climb under shear through their crowded neighborhoods with anisotropic contact network. Particle rotation associated with shear is necessary for the upward migration of large particles. Segregation of large particles can be suppressed with inadequate friction, or with no rotation; increasing interparticle friction promotes the migration of large particles, but has little effect on the percolation of small particles.
Persistent Identifierhttp://hdl.handle.net/10722/249619
ISSN
2019 Impact Factor: 8.385
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorJING, L-
dc.contributor.authorKwok, CY-
dc.date.accessioned2017-11-21T03:04:43Z-
dc.date.available2017-11-21T03:04:43Z-
dc.date.issued2017-
dc.identifier.citationPhysical Review Letters, 2017, v. 118 n. 11, article no. 118001-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/249619-
dc.description.abstractWe computationally study the micromechanics of shear-induced size segregation and propose distinct migration mechanisms for individual large and small particles. While small particles percolate through voids without enduring contacts, large particles climb under shear through their crowded neighborhoods with anisotropic contact network. Particle rotation associated with shear is necessary for the upward migration of large particles. Segregation of large particles can be suppressed with inadequate friction, or with no rotation; increasing interparticle friction promotes the migration of large particles, but has little effect on the percolation of small particles.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org-
dc.relation.ispartofPhysical Review Letters-
dc.rightsCopyright 2017 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevLett.118.118001-
dc.titleMicromechanical origin of grain size segregation-
dc.typeArticle-
dc.identifier.emailKwok, CY: fkwok8@hku.hk-
dc.identifier.authorityKwok, CY=rp01344-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.118.118001-
dc.identifier.scopuseid_2-s2.0-85015802122-
dc.identifier.hkuros283388-
dc.identifier.volume118-
dc.identifier.issue11-
dc.identifier.spagearticle no. 118001-
dc.identifier.epagearticle no. 118001-
dc.identifier.isiWOS:000396267100012-
dc.publisher.placeUnited States-

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