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Yang, L; Chen, YQ
Dynamical Study of Granular Flow through a Two-Dimensional Hopper
AbstractThe mass flow rate of a granular flow through an aperture under gravity is a long-standing challenge issue in physical science. We show that for steady flow field close to laminar flow, the dynamical equations together with the continue equation and Mohr-circle description of the stress are closed, and hence solvable. In a case of streamline guided by the two-dimensional hopper, we obtain a consistent condition and use it to determine the stress and the velocity distribution. Our result indicates that 3/2 power scaling behavior is recovered with a coefficient C(mu, alpha) being a function of frictional coefficient and the hopper angle. It is found that the predicted coefficient C(mu, alpha) is compatible with previous studies.
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
Indexed BySCIE
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.[Yang, Lina
2.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yang, L,Chen, YQ. Dynamical Study of Granular Flow through a Two-Dimensional Hopper[J]. CHINESE PHYSICS LETTERS,2019,36(2):24501.
APA Yang, L,&Chen, YQ.(2019).Dynamical Study of Granular Flow through a Two-Dimensional Hopper.CHINESE PHYSICS LETTERS,36(2),24501.
MLA Yang, L,et al."Dynamical Study of Granular Flow through a Two-Dimensional Hopper".CHINESE PHYSICS LETTERS 36.2(2019):24501.
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