CAS OpenIR  > 中科院上海原子核所2003年前
Lattice Boltzmann simulation of a single charged particle in a Newtonian fluid
Wan, RZ; Fang, HP(方海平); Lin, ZF; Chen, SY
2003
Source PublicationPHYSICAL REVIEW E
ISSN1539-3755
Volume68Issue:1
AbstractThe lattice Boltzmann method is used to study the sedimentaion of a single charged circular cylinder in a two-dimensional channel in a Newtonian fluid. When the dielectric constant of the liquid is smaller than that of the walls, there are attractive forces between the particle and the walls. The hydrodynamic force pushes the particle towards the centerline at low Reynolds numbers. Due to the competition between the Coulomb force and the hydrodynamic force in opposite directions, there is a critical linear charge density q(c) at which the particle will fall vertically off centerline, which is a metastable state in addition to the stable state on centerline, for any initial position of the particle sufficiently far from the proximal wall. It is found that the rotation of the particle plays an important role in the stability of such metastable states. The particle hits on the wall or falls on the centerline when the linear charge density on the particle is greater or less than q(c). The simulation method and the new phenomena are also helpful in the study of charged multiparticle suspensions.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000184582400021
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10037
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Wan, RZ,Fang, HP,Lin, ZF,et al. Lattice Boltzmann simulation of a single charged particle in a Newtonian fluid[J]. PHYSICAL REVIEW E,2003,68(1).
APA Wan, RZ,Fang, HP,Lin, ZF,&Chen, SY.(2003).Lattice Boltzmann simulation of a single charged particle in a Newtonian fluid.PHYSICAL REVIEW E,68(1).
MLA Wan, RZ,et al."Lattice Boltzmann simulation of a single charged particle in a Newtonian fluid".PHYSICAL REVIEW E 68.1(2003).
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