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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b00591
|2 doi
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|a eng
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|a Alizadeh, Shima
|e verfasserin
|4 aut
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|a Multiscale Model for Electrokinetic Transport in Networks of Pores, Part II
|b Computational Algorithms and Applications
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 16.07.2018
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|a Date Revised 16.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The first part of this two-article series presented a robust mathematical model for the fast and accurate prediction of electrokinetic phenomena in porous networks with complex topologies. In the second part of this series, we first present a numerical algorithm that can efficiently solve the model equations. We then demonstrate that the resulting framework is capable of capturing a wide range of transport phenomena in microstructures by considering a hierarchy of canonical problems with increasing complexity. The developed framework is validated against direct numerical simulations of deionization shocks in micropore-membrane junctions and concentration polarization in micro- and nanochannel systems. We demonstrate that for thin pores subject to concentration gradients our model consistently captures correct induced osmotic pressure, which is a macroscopic phenomena originally derived from thermodynamic principles but here is naturally predicted through microscopic electrostatic interactions. Moreover, we show that the developed model captures current rectification phenomena in a conical nanopore subject to an axial external electric field. Finally, we provide discussions on examples involving stationary and moving deionization shocks in micropore nanopore T-junctions as well as induced-flow loops when pores of varying sizes are connected in parallel
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Mani, Ali
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 25 vom: 27. Juni, Seite 6220-6231
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:33
|g year:2017
|g number:25
|g day:27
|g month:06
|g pages:6220-6231
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|u http://dx.doi.org/10.1021/acs.langmuir.7b00591
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