Nonstationary electroosmotic flow in open cylindrical capillaries |
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| Authors: | Mishchuk Nataliya A González-Caballero Fernando |
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| Institution: | Institute of Colloid Chemistry and Water Chemistry of National Academy of Sciences of Ukraine, Kiev, Ukraine. nataliya@mis.kiev.ua |
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| 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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