THIN LIQUID LAYERS IN SHEAR - NON-NEWTONIAN EFFECTS

被引:21
作者
RABIN, Y
HERSHT, I
机构
[1] Department of Physics, Bar-Ilan University, Ramat-Gan
来源
PHYSICA A | 1993年 / 200卷 / 1-4期
关键词
D O I
10.1016/0378-4371(93)90578-R
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
When shear flow is generated in molecularly thin liquid films of simple liquids confined between two parallel plates, the effective viscosity of the liquid increases by many orders of magnitude compared to its bulk value. Non-Newtonian effects such as shear thinning with a universal power law exponent of 2/3 are observed in experiments and computer simulations. We present a simple model of these phenomena based on shear melting of solid-like layers induced by the strong coupling with the crystalline walls.
引用
收藏
页码:708 / 712
页数:5
相关论文
共 13 条
  • [1] [Anonymous], 1980, VISCOELASTIC PROPERT
  • [2] MOLECULAR-DYNAMICS OF FLOW IN MICROPORES
    BITSANIS, I
    MAGDA, JJ
    TIRRELL, M
    DAVIS, HT
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1987, 87 (03) : 1733 - 1750
  • [3] MICROSCOPIC DYNAMICS OF FLOW IN MOLECULARLY NARROW PORES
    BITSANIS, I
    SOMERS, SA
    DAVIS, HT
    TIRRELL, M
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1990, 93 (05) : 3427 - 3431
  • [4] MOTIONS AND RELAXATIONS OF CONFINED LIQUIDS
    GRANICK, S
    [J]. SCIENCE, 1991, 253 (5026) : 1374 - 1379
  • [5] MOLECULAR-DYNAMICS SIMULATIONS OF ORDERED ALKANE CHAINS PHYSISORBED ON GRAPHITE
    HENTSCHKE, R
    SCHURMANN, BL
    RABE, JP
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (08) : 6213 - 6221
  • [6] HERSHT I, IN PRESS
  • [7] RELAXATION-TIME OF CONFINED LIQUIDS UNDER SHEAR
    HU, HW
    CARSON, GA
    GRANICK, S
    [J]. PHYSICAL REVIEW LETTERS, 1991, 66 (21) : 2758 - 2761
  • [8] COMMENSURABILITY AND MOBILITY IN 2-DIMENSIONAL MOLECULAR-PATTERNS ON GRAPHITE
    RABE, JP
    BUCHHOLZ, S
    [J]. SCIENCE, 1991, 253 (5018) : 424 - 427
  • [9] SHEAR-FLOW NEAR SOLIDS - EPITAXIAL ORDER AND FLOW BOUNDARY-CONDITIONS
    THOMPSON, PA
    ROBBINS, MO
    [J]. PHYSICAL REVIEW A, 1990, 41 (12): : 6830 - 6837
  • [10] PHASE-TRANSITIONS AND UNIVERSAL DYNAMICS IN CONFINED FILMS
    THOMPSON, PA
    GREST, GS
    ROBBINS, MO
    [J]. PHYSICAL REVIEW LETTERS, 1992, 68 (23) : 3448 - 3451