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Flow regimes in vertical pneumatic conveying

  • S. B. Kuang
  • , A. B. Yu
  • , Z. S. Zou
  • University of New South Wales
  • Northeastern University China

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

5 Scopus citations

Abstract

This paper presents a numerical study of the flow regimes in a vertical pipeline by a combined approach of discrete element model for solid phase and computational fluid dynamics model for gas phase. Two typical cases, i.e. the transports of glass beads when Solid Loading Ratio (SLR)=0.5̃3.4 and polyethylene pellets when SLR=7.3-33.0 are considered. The results show that in both cases, the phase diagrams featured with the flow transition between the dense phase flow and dilute-phase flow can be produced. In the transport of glass beads, only the dispersed flow regime is observed. However, both the slug flow regime and the dispersed flow regime are observed in the transport of polyethylene pellets. These results satisfactorily agree with the experiments.

Original languageEnglish
Title of host publicationPowders and Grains 2009 - Proceedings of the 6th International Conference on Micromechanics of Granular Media
Pages1005-1008
Number of pages4
DOIs
StatePublished - 2009
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

Conference6th International Conference on Micromechanics of Granular Media, Powders and Grains 2009
Country/TerritoryUnited States
CityGolden, CO
Period13/07/0917/07/09

Keywords

  • Discrete element model
  • Flow regime
  • Flow transition
  • Phase diagram
  • Vertical pneumatic conveying

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