Hydrodynamic origin of diffusion in nanopores

Bhatia, S. K. and Nicholson, D. (2003) Hydrodynamic origin of diffusion in nanopores. Physical Review Letters, 90 1: 1-4. doi:10.1103/PhysRevLett.90.016105

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Author Bhatia, S. K.
Nicholson, D.
Title Hydrodynamic origin of diffusion in nanopores
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2003
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.90.016105
Open Access Status File (Publisher version)
Volume 90
Issue 1
Start page 1
End page 4
Total pages 4
Place of publication College Pk, MD, USA
Publisher American Physical Society
Collection year 2003
Language eng
Subject C1
290699 Chemical Engineering not elsewhere classified
780199 Other
Abstract We study the transport of a subcritical Lennard-Jones fluid in a cylindrical nanopore, using a combination of equilibrium and nonequilibrium as well as dual control volume grand canonical molecular dynamics methods. We show that all three techniques yield the same value of the transport coefficient for diffusely reflecting pore walls, even in the presence of viscous transport. We also demonstrate that the classical Knudsen mechanism is not manifested, and that a combination of viscous flow and momentum exchange at the pore wall governs the transport over a wide range of densities.
Keyword Transport
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 01:54:05 EST