| Issue |
EPJ Web Conf.
Volume 340, 2025
Powders & Grains 2025 – 10th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 05009 | |
| Number of page(s) | 4 | |
| Section | Polydispersity, Segregation, and Pattern Formation | |
| DOI | https://doi.org/10.1051/epjconf/202534005009 | |
| Published online | 01 December 2025 | |
https://doi.org/10.1051/epjconf/202534005009
Horizontal size-based segregation in a vertically oscillating box with a sloped bottom
1 Department of Mechanical Engineering, Indian Institute of Technology Kanpur
2 Department of Chemical Engineering, Indian Institute of Technology Bombay
3 Department of Space, Planetary & Astronomical Sciences & Engineering, Indian Institute of Technology Kanpur
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Published online: 1 December 2025
Abstract
We study the size-based segregation in a vertically oscillating box with a sloped base connecting two flat regions at different elevations, as shown in Figure 2. Some boulders (large size) are placed at random positions inside the box, which is filled with grains (small size) to a certain depth. On vertical oscillation of the box for a long time, boulders segregate towards the flat portion at higher elevation. We attempt to understand this experimental observation by studying the velocity profile of grains and boulder trajectories through Discrete Element Method (DEM) simulations.
© The Authors, published by EDP Sciences, 2025
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