Teorell instability in concentration polarization

Ramadan Abu-Rjal; Leonid Prigozhin; Isaak Rubinstein; Boris Zaltzman

doi:10.1103/PhysRevE.92.022305

Teorell instability in concentration polarization

Ramadan Abu-Rjal, Leonid Prigozhin, Isaak Rubinstein, Boris Zaltzman

The Swiss Institute for Dryland Environmental and Energy Research

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We investigate the development of electro-osmotic (Teorell) oscillations at a weakly charged microporous membrane without a preimposed transmembrane electrolyte concentration drop. This drop, necessary for the occurrence of oscillations, develops spontaneously as a result of concentration polarization in the solution layers adjacent to the membrane. A three-layer model comprising a membrane flanked by two diffusion layers is proposed and analyzed for galvano- and potentiostatic regimes of operation.

Original language	English
Article number	022305
Journal	Physical Review E
Volume	92
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevE.92.022305
State	Published - 13 Aug 2015

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.92.022305

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title = "Teorell instability in concentration polarization",

abstract = "We investigate the development of electro-osmotic (Teorell) oscillations at a weakly charged microporous membrane without a preimposed transmembrane electrolyte concentration drop. This drop, necessary for the occurrence of oscillations, develops spontaneously as a result of concentration polarization in the solution layers adjacent to the membrane. A three-layer model comprising a membrane flanked by two diffusion layers is proposed and analyzed for galvano- and potentiostatic regimes of operation.",

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Teorell instability in concentration polarization

Abstract

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