| CLASSICAL AREAS OF PHENOMENOLOGY |
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Directed segregation in compartmentalized bi-disperse granular gas |
| Sajjad Hussain Shaha)b), Li Yin-Chang(李寅阊)b), Cui Fei-Fei(崔非非)a)b), Zhang Qi(张祺)b), and Hou Mei-Ying(厚美瑛)a)b)† |
| a Physics Department, Beijing Institute of Technology, Beijing 100081, China; b Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China |
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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.
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Received: 25 August 2011
Revised: 19 September 2011
Accepted manuscript online:
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PACS:
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45.70.Qj
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(Pattern formation)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10720101074 and 10874209), the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KJCX2-YW-L08), and CSSAR and CNES. |
Cite this article:
Sajjad Hussain Shah, Li Yin-Chang(李寅阊), Cui Fei-Fei(崔非非), Zhang Qi(张祺), and Hou Mei-Ying(厚美瑛) Directed segregation in compartmentalized bi-disperse granular gas 2012 Chin. Phys. B 21 014501
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