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The Diffusion of Passive Tracers in Laminar Shear Flow
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Self-diffusion scalings in dense granular flows

Riccardo Artoni1, Michele Larcher2, James T Jenkins3

  • 1MAST-GPEM, Univ Gustave Eiffel, IFSTTAR, F-44344 Bouguenais, France. riccardo.artoni@univ-eiffel.fr.

Soft Matter
|February 1, 2021
PubMed
Summary

This study measures self-diffusion in dense granular flows, finding it depends on shear rate and particle friction. Results differ from kinetic theory predictions, highlighting the need for refined models in granular material science.

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