Diffusion coefficient of Brownian particle in rough micro-channel
Resource
Journal of Colloid and Interface Science 296 (2): 737-742
Journal
Journal of Colloid and Interface Science
Journal Volume
296
Journal Issue
2
Pages
737-742
Date Issued
2006
Date
2006
Author(s)
Abstract
This study examines the feasibility of using of the lattice Boltzmann method to determine how the surface roughness of a quadrate channel affects the diffusion coefficient of Brownian particle(s). The surface was represented by a regular array of spheres. Surface roughness reduced the diffusion coefficient of the Brownian particle(s) because of a change in the velocity autocorrelation function decay and in pressure. Additionally, the neighboring particles increased the diffusion coefficient of Brownian particle.
Type
journal article
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