Chin. Phys. Lett.  2011, Vol. 28 Issue (9): 090506    DOI: 10.1088/0256-307X/28/9/090506
GENERAL |
Velocity Distributions in Inelastic Granular Gases with Continuous Size Distributions
LI Rui1**, ZHANG Duan-Ming2, LI Zhi-Hao1
1Department of Physics, Hubei University of Education, Wuhan 430205
2Department of Physics, Huazhong University of Science and Technology, Wuhan 430074
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LI Rui, ZHANG Duan-Ming, LI Zhi-Hao 2011 Chin. Phys. Lett. 28 090506
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Abstract We study by numerical simulation the property of velocity distributions of granular gases with a power-law size distribution, driven by uniform heating and boundary heating. It is found that the form of velocity distribution is primarily controlled by the restitution coefficient η and q, the ratio between the average number of heatings and the average number of collisions in the system. Furthermore, we show that uniform and boundary heating can be understood as different limits of q, with q≫1 and q≤1, respectively.
Keywords: 05.20.Dd      81.05.Rm      83.10.Pp     
Received: 06 June 2011      Published: 30 August 2011
PACS:  05.20.Dd (Kinetic theory)  
  81.05.Rm (Porous materials; granular materials)  
  83.10.Pp (Particle dynamics)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/9/090506       OR      https://cpl.iphy.ac.cn/Y2011/V28/I9/090506
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LI Rui
ZHANG Duan-Ming
LI Zhi-Hao
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