Convection in highly fluidized three-dimensional granular beds

RD Wildman, JM Huntley, David Parker

Research output: Contribution to journalArticle

106 Citations (Scopus)


Free, buoyancy-driven convection has been observed experimentally in three-dimensional highly fluidized granular flows for the first time. Positron emission particle tracking was used to determine the position of a tracer grain in a vibrofluidized bed, from which packing fraction distributions as well as the velocity fields could be determined. The convection rolls, although small compared to the magnitude of velocity fluctuations (
Original languageEnglish
Pages (from-to)3304-3307
Number of pages4
JournalPhysical Review Letters
Early online date1 Apr 2001
Publication statusPublished - 1 Apr 2001


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