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Chen, YP; Hou, MY; Jiang, YM; Liu, M; Chen, YP (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Key Lab Soft Matter Phys, Beijing 100190, Peoples R China.
Hydrodynamics of granular gases with a two-peak distribution
Source PublicationPHYSICAL REVIEW E
Language英语
Keyword2 Dimensions Flows Fluidization Powder Beads
AbstractVibrating walls, frequently employed to maintain the temperature (i.e., average velocity) in a granular gas, modify the system strongly, rendering it dissimilar to a molecular one in various aspects. As evidenced by microgravity experiments employing a quasi-two-dimensional (quasi-2D) rectangular box and by 2D simulations, the one-peak velocity distribution is split into two, rendering the stress both nonuniform and anisotropic-without a shear flow and in the absence of gravitation. To account for this, granular hydrodynamics (as first proposed by Haff and later derived employing the kinetic theory) is generalized by introducing two additional variables, with one accounting for the distance between the two peaks and a second for the difference between the average velocities along different directions. The hydrodynamic theory thus generalized relates the velocity distribution to the stress, yielding results that agree with experiments and simulations.
2013
ISSN1539-3755
Volume88Issue:5Pages:52204
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11034010, 11274354]; Chinese Academy of Sciences [XDA04020200]; Special Fund for Earthquake Research of China [201208011] ; National Natural Science Foundation of China [11034010, 11274354]; Chinese Academy of Sciences [XDA04020200]; Special Fund for Earthquake Research of China [201208011] ; National Natural Science Foundation of China [11034010, 11274354]; Chinese Academy of Sciences [XDA04020200]; Special Fund for Earthquake Research of China [201208011] ; National Natural Science Foundation of China [11034010, 11274354]; Chinese Academy of Sciences [XDA04020200]; Special Fund for Earthquake Research of China [201208011]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15227
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChen, YP (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Key Lab Soft Matter Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Chen, YP,Hou, MY,Jiang, YM,et al. Hydrodynamics of granular gases with a two-peak distribution[J]. PHYSICAL REVIEW E,2013,88(5):52204.
APA Chen, YP,Hou, MY,Jiang, YM,Liu, M,&Chen, YP .(2013).Hydrodynamics of granular gases with a two-peak distribution.PHYSICAL REVIEW E,88(5),52204.
MLA Chen, YP,et al."Hydrodynamics of granular gases with a two-peak distribution".PHYSICAL REVIEW E 88.5(2013):52204.
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