DIFFUSION OF A SMALL-PARTICLE IN A SUSPENSION OF LARGE CYLINDERS - THE EXCLUDED-VOLUME EFFECT

Authors
BARTCZAK WM
Citation
Wm. Bartczak, DIFFUSION OF A SMALL-PARTICLE IN A SUSPENSION OF LARGE CYLINDERS - THE EXCLUDED-VOLUME EFFECT, Bulletin of the Polish Academy of Sciences. Chemistry, 44(4), 1996, pp. 243-247
Citations number
5
Categorie Soggetti
Chemistry
Journal title
Bulletin of the Polish Academy of Sciences. Chemistry → ACNP
ISSN journal
02397285
Volume
44
Issue
4
Year of publication
1996
Pages
243 - 247
Database
ISI
SICI code
0239-7285(1996)44:4<243:DOASIA>2.0.ZU;2-S
Abstract
The diffusive motion of a small particle in a suspension of large cyli ndrical particles occupying the volume fraction cp has been investigat ed. It was found that the fundamental relation of diffusive motion: [r (2)] = 6D(eff)t, is valid with the effective diffusion coefficient D-e ff reduced by the factor of 1 - 2 phi/3 in relation to the diffusion c oefficient of the particle in free space D.