Brownian diffusion near a plane fluid interface

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The motion of Browman particles in the vicinity of a fluid interface is studied by considering the spatial modification of the hydrodynamic mobility due to the direct hydrodynamic interactions between the particles and the interface. The analysis determines, for a simple model system, the conditions under which the simple Fickian form of the diffusion equation can be obtained in the presence of an interface. In addition, the theory shows that the diffusivity tensor can be evaluated from a knowledge of the mobility tensor for steady motion of a particle in Stokes flow. © 1987 Korean Institute of Chemical Engineering.
Publisher
Korean Institute of Chemical Engineers
Issue Date
1987-09
Language
English
Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.4, no.2, pp.187 - 193

ISSN
0256-1115
URI
http://hdl.handle.net/10203/66216
Appears in Collection
CBE-Journal Papers(저널논문)
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