Microscopic Expression of the Surface Tension of Nano-Scale Cylindrical Liquid and Applicability of the Laplace Equation
There is no consensus on whether the macroscopic Laplace Equation of capillarity is applicable for nanoscale systems. The microscopic expression for the radius and surface tension of the surface of tension for cylindrical liquid were deduced on Gibbs theory of capillarity. The radii
and tensions of the surfaces of tension and the differences between internal and outside pressure for several argon liquid cylinders consisting of different numbers of atoms with Lennard-Jones (LJ) potential under the temperature of 90 K were obtained by combination of molecular dynamics simulation
and calculation. The results suggested that Laplace equation could be applicable in nanoscale with fairly good approximation.
Keywords: GIBBSIAN SURFACE OF TENSION; MOLECULAR DYNAMICS SIMULATION; NANO-SCALE CYLINDRICAL LIQUID; SURFACE TENSION
Document Type: Research Article
Publication date: 01 February 2015
- Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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