Granular flows in split bottom geometries

Joshua A. Dijksman, Martin Van Hecke

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

Abstract

There is a simple and general experimental protocol to generate slow granular flows that exhibit wide shear zones, qualitatively different from the narrow shear bands usually observed. The essence is to drive the granular medium not from the sidewalls, but to split the bottom of the container that supports the grains in two parts that slide past each other. Here we discuss main features of granular flows in so-called split bottom geometries. We focuss on reviewing the results for dry, slow granular flow. New developments, on faster flows, on flows of particles submerged in fluids, and on flows accompanied by weak vibration will be briefly outlined-these new developments will be discussed in more details in the accompanying talk at P&G 2009.

Original languageEnglish
Title of host publicationPowders and Grains 2009 - Proceedings of the 6th International Conference on Micromechanics of Granular Media
Pages56-63
Number of pages8
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event6th International Conference on Micromechanics of Granular Media, Powders and Grains 2009 - Golden, CO, United States
Duration: 13 Jul 200917 Jul 2009

Publication series

NameAIP Conference Proceedings
Volume1145
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference/symposium

Conference/symposium6th International Conference on Micromechanics of Granular Media, Powders and Grains 2009
Country/TerritoryUnited States
CityGolden, CO
Period13/07/0917/07/09

Keywords

  • Granular flow
  • Shearbands
  • Split-bottom geometries

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