Avalanche Dynamics in Wet Granular Materials

P. Tegzes, T. Vicsek, P. Schiffer

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

We have studied the dynamics of avalanching wet granular media in a rotating drum apparatus. Quantitative measurements of the flow velocity and the granular flux during avalanches allow us to characterize novel avalanche types unique to wet media. We also explore the details of viscoplastic flow (observed at the highest liquid contents) in which there are lasting contacts during flow, leading to coherence across the entire sample. This coherence leads to a velocity-independent flow depth at high rotation rates and novel robust pattern formation in the granular surface.

Original languageEnglish
JournalPhysical review letters
Volume89
Issue number9
DOIs
Publication statusPublished - Jan 1 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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