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Examination of nanoflow in rectangular slits

Author: Zhang W.   Xia D.  

Publisher: Taylor & Francis Ltd

ISSN: 0892-7022

Source: Molecular Simulation, Vol.33, Iss.15, 2007-12, pp. : 1223-1228

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Abstract

This paper presents simulations of 3D nanoscale flow in rectangular channel with molecular dynamics simulation method. Rectangular cross section is a frequently encountered geometric shape for nanoscale flow problems. For a given cross sectional height h, we change the width w of the rectangular cross section and analyze the influence of w/h on the flow characteristics. The distributions of density, temperature, boundary slip and flow velocity inside the rectangular cross section are investigated in detail. Liquid argon material and Lennard-Jones potential are used in the simulations. The simulation results are also compared with Navier-Stokes solutions for rectangular channel flows.