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Updated: Aug 13, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
Published on: September 7, 2018
Nonstationary electroosmotic flow in open cylindrical capillaries
Nataliya A Mishchuk1, Fernando González-Caballero
1Institute of Colloid Chemistry and Water Chemistry of National Academy of Sciences of Ukraine, Kiev, Ukraine. nataliya@mis.kiev.ua
Abstract:
A theoretical model of the EOF established in a wide capillary after the application of a stepwise voltage has been developed. Both periodical and aperiodical flow regimes were studied with arbitrary pulse/pulse or pulse/pause durations and amplitudes. The numerical analysis performed for a few types of periodical regimes showed the peculiarities of the profiles of liquid velocity and its displacement both for the transition to the stationary regime and for the quasi-stationary periodical and aperiodical regimes.
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