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Study of Friction between Liquid Crystals and Crystalline Surfaces by Molecular Dynamic Simulations
Zhang, YW; Chen, XS; Chen, W; Chen, W (reprint author), Chinese Acad Sci, Comp Network Informat Ctr, POB 349, Beijing 100190, Peoples R China.
2016
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号66期号:4页码:467-473
文章类型Article
摘要The lubrication characteristics of liquid crystal (LC) molecules sheared between two crystalline surfaces obtained from molecular dynamics (MD) simulations are reported in this article. We consider a coarse-grained rigid bead-necklace model of the LC molecules confined between two atomic surfaces subject to different shearing velocities. A systematic study shows that the slip length of LC lubrication changes significantly as a function of the LC-surface interaction energy, which can be well described though a theoretical curve. The slip length increases as shear rate increases at high LC-surface interaction energy. However, this trend can not be observed for low interaction energy. The orientation of the LC molecules near the surface is found to be guided by the atomics surfaces. The influence of temperature on the lubrication characteristics is also discussed in this article.
关键词Liquid Crystal Friction Slip Length Molecular Dynamics Simulation
学科领域Physics
资助者National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403]
关键词[WOS]ULTRALOW FRICTION ; MESOGENIC FLUID ; BEHAVIOR ; WATER
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403] ; National Natural Science Foundation of China [11504384, 11121403]
WOS类目Physics, Multidisciplinary
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21514
专题理论物理所SCI论文
通讯作者Chen, W (reprint author), Chinese Acad Sci, Comp Network Informat Ctr, POB 349, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, YW,Chen, XS,Chen, W,et al. Study of Friction between Liquid Crystals and Crystalline Surfaces by Molecular Dynamic Simulations[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2016,66(4):467-473.
APA Zhang, YW,Chen, XS,Chen, W,&Chen, W .(2016).Study of Friction between Liquid Crystals and Crystalline Surfaces by Molecular Dynamic Simulations.COMMUNICATIONS IN THEORETICAL PHYSICS,66(4),467-473.
MLA Zhang, YW,et al."Study of Friction between Liquid Crystals and Crystalline Surfaces by Molecular Dynamic Simulations".COMMUNICATIONS IN THEORETICAL PHYSICS 66.4(2016):467-473.
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