Volatile jam and flow fluctuation in counter flow of slender particles |
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| Institution: | 1. National Numerical Control System Engineering Research Center, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;1. Koc University, Manufacturing and Automation Research Center, Sariyer, Istanbul, Turkey;2. ETH Zurich, Institutes of Machine Tools and Manufacturing, Zurich, Switzerland;1. IPMZ, University of Zurich, Andreasstrasse 15, CH-8050 Zürich, Switzerland;2. Department of Political and Communication Science, University of Greifswald, Rubenowstrasse 3, 17487 Greifswald, Germany;1. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, 230026, PR China;2. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, 610031, PR China;3. National United Engineering Laboratory of Integrated and Intelligent Transportation, Southwest Jiaotong University, Chengdu, 610031, PR China;4. Collaborative Innovation Center for Urban Public Safety, Hefei, 230009, PR China |
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| Abstract: | We study the counter flow of slender particles on square lattice under periodic boundaries. Two types of particles going to the right and to the left are taken into account, where the size of right particles is larger than that of left particles. The counter flow of slender particles with different sizes is compared with that of slender particles with the same size. The jamming transition occurs at a critical density. Near the transition point, the volatile jam appears with a period, disappears in time, is formed again, and the process occurs repeatedly. The flow fluctuates highly by forming the volatile jam. The volatile jam moves slowly to the left direction, while the jam is stationary when the size of right particles equals that of left particles. |
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