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Article: Micromechanical origin of grain size segregation
| Title | Micromechanical origin of grain size segregation |
|---|---|
| Authors | |
| Issue Date | 2017 |
| Publisher | American 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? |
| Abstract | We 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 Identifier | http://hdl.handle.net/10722/249619 |
| ISSN | 2021 Impact Factor: 9.185 2020 SCImago Journal Rankings: 3.688 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | JING, L | - |
| dc.contributor.author | Kwok, CY | - |
| dc.date.accessioned | 2017-11-21T03:04:43Z | - |
| dc.date.available | 2017-11-21T03:04:43Z | - |
| dc.date.issued | 2017 | - |
| dc.identifier.citation | Physical Review Letters, 2017, v. 118 n. 11, article no. 118001 | - |
| dc.identifier.issn | 0031-9007 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/249619 | - |
| dc.description.abstract | We 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.language | eng | - |
| dc.publisher | American Physical Society. The Journal's web site is located at http://prl.aps.org | - |
| dc.relation.ispartof | Physical Review Letters | - |
| dc.rights | Copyright 2017 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevLett.118.118001 | - |
| dc.title | Micromechanical origin of grain size segregation | - |
| dc.type | Article | - |
| dc.identifier.email | Kwok, CY: fkwok8@hku.hk | - |
| dc.identifier.authority | Kwok, CY=rp01344 | - |
| dc.description.nature | published_or_final_version | - |
| dc.identifier.doi | 10.1103/PhysRevLett.118.118001 | - |
| dc.identifier.scopus | eid_2-s2.0-85015802122 | - |
| dc.identifier.hkuros | 283388 | - |
| dc.identifier.volume | 118 | - |
| dc.identifier.issue | 11 | - |
| dc.identifier.spage | article no. 118001 | - |
| dc.identifier.epage | article no. 118001 | - |
| dc.identifier.isi | WOS:000396267100012 | - |
| dc.publisher.place | United States | - |
| dc.identifier.issnl | 0031-9007 | - |