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DY: Fachverband Dynamik und Statistische Physik

DY 40: Granular Matter

DY 40.2: Talk

Wednesday, March 22, 2017, 16:45–17:00, ZEU 118

Axial segregation of shape-anisotropic granular particles — •Tina Hanselka, Tilo Finger, and Ralf Stannarius — Otto-von-Guericke-Universität Magdeburg

When a granular mixture is rotated in a horizontal cylindrical drum, it shows radial and axial segregation. Most experimental observations of these effects were performed with spherical particles. Several models have been proposed to describe the mechanism of axial segregation. In our experiments, we compare the behaviour of a mixture of spherical and elongated particles to mixtures with only spherical grains. We discuss the conformity of the proposed models with our experimental results.