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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 1109-1114 
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: Rheological properties of water films nanoconfined in two parallel Au plates areinvestigated with the aid of molecular dynamics simulations. The density distribution, velocityprofile, and diffusion coefficients of the water film in a Couette flow are studied. Shear viscosityand its dependence on the shear rate of the water film are also examined in the present research. It isfound that the density of the water molecules near the plates is much higher than that in the otherregions. This indicates that many water molecules are adsorbed by the plates and adsorbed layersare formed in the vicinity of the plates. The diffusion of the whole film increases dramatically as theshear rate becomes greater than 1010 s-1. The shear viscosity decreases as the shear rate increases,especially for the water film with a small thickness, which indicates the shear-thinning behavior forviscosity of the nanoconfined film. Moreover, an increase in shear viscosity with a decrease in thefilm thickness can also be found in the present study
    Type of Medium: Electronic Resource
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