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Directed segregation in compartmentalized bi-disperse granular gas |
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| Authors: | Sajjad Hussain Shah Li Yin-Chang Cui Fei-Fei Zhang Qi and Hou Mei-Ying |
| Institution: | Physics Department, Beijing Institute of Technology, Beijing 100081, China; Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China |
| Abstract: | A bi-disperse granular gas in an asymmetrical two-compartment system is studied experimentally. The presence of asymmetry within the range of our experimental parameters results in a directed segregated state and a directed clustering state. This deterministic system does not depend on the initial conditions. A modified flux model based on Lohse's flux model for bi-disperse granular gases is derived. The modified flux model explains qualitatively the experimental results. |
| Keywords: | granular matter segregation nonlinear dynamics |
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