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The rolling transition in a granular flow along a rotating wall

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Academic year: 2021

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Figure

Figure 1. Schematic view of the flow of an assembly of grains along a rotating plane.
Figure 2. Schematic view of the flow at four angular displacements.
Figure 4. Inertial number J as a function of angular displacement (x = 33 R, t = 0.015 s, μ = 0.1, μ’ = 0.2, y = R – 3 R – 5 R – 7 R)
Figure 5. Effective friction at the boundary as a function of time for different friction coefficients particle/vane measured in the elementary volume for values of the microscopical parameters (μ’ = 0.2 and m = 0.1−0.2−0.3−0.4−0.5)
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