Regresar

Direct evaluation of the position dependent diffusion coefficient and persistence time from the equilibrium density profile in anisotropic fluids

Abstract:

We derive expressions for the transverse diffusion coefficient D(z) and the average persistence time τ(ZL) within a layer of width L, for particles of a non-homogeneous fluid enclosed in a planar nanopore. The method allows the direct evaluation of these position-dependent dynamical quantities from the equilibrium local particle density profile. We use results for the density and persistence time profiles from the virtual layer molecular dynamics method to numerically assess the significance of the Smoluchowski approximation. © 2013 AIP Publishing LLC.

Año de publicación:

2013

Keywords:

    Fuente:

    scopusscopus
    googlegoogle

    Tipo de documento:

    Article

    Estado:

    Acceso restringido

    Áreas de conocimiento:

      Áreas temáticas:

      • Mecánica de fluidos

      Contribuidores:

      Colmenares P.J.Colmenares P.J.
      Floralba LópezFloralba López
      Olivares-Rivas W.Olivares-Rivas W.