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  • Analytical model of mixed electroosmotic/pressure driven three immiscible fluids in a rectangular microchannel

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    Author(s)
    Li, Haiwang
    Wong, Teck Neng
    Nguyen, Narn-Trung
    Griffith University Author(s)
    Nguyen, Nam-Trung
    Year published
    2009
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    Abstract
    This paper presents a mathematical model to describe a three-fluid electroosmotic focusing/pumping techniques, in which an electrically non conducting fluid is focused and delivered by the combined interfacial viscous force of two conducting fluids and pressure gradient. The two conducting fluids are driven by electroosmosis and pressure gradient. The electrical potential in the two conducting fluids and the velocity distribution of the steady three-fluid electroosmotic stratified flow in a rectangular microchannel were presented by assuming a planar interface between the three immiscible fluids. The effects of viscosity ...
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    This paper presents a mathematical model to describe a three-fluid electroosmotic focusing/pumping techniques, in which an electrically non conducting fluid is focused and delivered by the combined interfacial viscous force of two conducting fluids and pressure gradient. The two conducting fluids are driven by electroosmosis and pressure gradient. The electrical potential in the two conducting fluids and the velocity distribution of the steady three-fluid electroosmotic stratified flow in a rectangular microchannel were presented by assuming a planar interface between the three immiscible fluids. The effects of viscosity ratio, electroosmosis and pressure gradient on velocity profile and flowrate are analyzed to show the potential feasibility of this technique.
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    Journal Title
    International journal of heat and mass transfer
    Volume
    52
    Issue
    19-20
    DOI
    https://doi.org/10.1016/j.ijheatmasstransfer.2009.03.053
    Copyright Statement
    © 2009 Elsevier Inc. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Interdisciplinary Engineering not elsewhere classified
    Mathematical Sciences
    Physical Sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/62244
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    • Journal articles

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