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@ARTICLE{Abade:17779,
author = {Abade, G.C. and Cichocki, M.L. and Ekiel-Jezewska, M.L. and
Nägele, G. and Wajnryb, E.},
title = {{F}irst-order virial expansion of short-time diffusion and
sedimentation coefficients of permeable particles
suspensions},
journal = {Physics of fluids},
volume = {23},
issn = {1070-6631},
address = {[S.l.]},
publisher = {American Institute of Physics},
reportid = {PreJuSER-17779},
pages = {083303},
year = {2011},
note = {M.L.E.J. and E.W. were supported in part by the Polish
Ministry of Science and Higher Education Grant N N501
156538. G.N. thanks the Deutsche Forschungsgemeinschaft
(SFB-TR6, project B2) for financial support.},
abstract = {For suspensions of permeable particles, the short-time
translational and rotational self-diffusion coefficients,
and collective diffusion and sedimentation coefficients are
evaluated theoretically. An individual particle is modeled
as a uniformly permeable sphere of a given permeability,
with the internal solvent flow described by the
Debye-Bueche-Brinkman equation. The particles are assumed to
interact non-hydrodynamically by their excluded volumes. The
virial expansion of the transport properties in powers of
the volume fraction is performed up to the two-particle
level. The first-order virial coefficients corresponding to
two-body hydrodynamic interactions are evaluated with very
high accuracy by the series expansion in inverse powers of
the inter-particle distance. Results are obtained and
discussed for a wide range of the ratio, x, of the particle
radius to the hydrodynamic screening length inside a
permeable sphere. It is shown that for x greater than or
similar to 10, the virial coefficients of the transport
properties are well-approximated by the hydrodynamic radius
(annulus) model developed by us earlier for the effective
viscosity of porous-particle suspensions. (C) 2011 American
Institute of Physics. [doi:10.1063/1.3626196]},
keywords = {J (WoSType)},
cin = {ICS-3},
ddc = {530},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK505},
shelfmark = {Mechanics / Physics, Fluids $\&$ Plasmas},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000294483500017},
doi = {10.1063/1.3626196},
url = {https://juser.fz-juelich.de/record/17779},
}