CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Boundary slip and surface interaction: A lattice Boltzmann simulation
Chen, YY(陈艳燕); Yi, HH; Li, HB(李华兵); Li, HB (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
2008
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume25Issue:1Pages:184
AbstractThe factors affecting slip length in Couette geometry flows are analysed by means of a two-phase mesoscopic lattice Boltzmann model including non-ideal fluid-fluid and fluid-wall interactions. The main factors influencing the boundary slip are the strength of interactions between fluid-fluid and fluid-wall particles. Other factors, such as fluid viscosity, bulk pressure may also change the slip length. We find that boundary slip only occurs under a certain density (bulk pressure). If the density is large enough, the slip length will tend to zero. In our simulations, a low density layer near the wall does not need to be postulated a priori but emerges naturally from the underlying non-ideal mesoscopic dynamics. It is the low density layer that induces the boundary slip. The results may be helpful to understand recent experimental observations on the slippage of micro flows.
Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000252613500050
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7666
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorLi, HB (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Chen, YY,Yi, HH,Li, HB,et al. Boundary slip and surface interaction: A lattice Boltzmann simulation[J]. CHINESE PHYSICS LETTERS,2008,25(1):184.
APA Chen, YY,Yi, HH,Li, HB,&Li, HB .(2008).Boundary slip and surface interaction: A lattice Boltzmann simulation.CHINESE PHYSICS LETTERS,25(1),184.
MLA Chen, YY,et al."Boundary slip and surface interaction: A lattice Boltzmann simulation".CHINESE PHYSICS LETTERS 25.1(2008):184.
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