Multiphase flow in micro- and nanochannels

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    Abstract

    Fluids that are of interest in nature, biotechnology and chemistry are rarely either simple single-phase or non-confined (open system) fluids. It is therefore not surprising that recently a surge of interest has arisen in multiphase confined fluid manipulation. This paper aims at reviewing investigations into complex multiphase micro- and nanochannel flows. In the first part, the pumping principles for this type of flow will be discussed. These should be chosen carefully according to two factors: scaling behavior on the micro- and nanoscales and adaptability to multiphase coexistence in the same channel. Subsequently, multiphase fluid flow behavior in micro- and nanochannels is treated, which differs a lot from that in single-phase and non-confined fluidic systems. This behavior will include flow patterns, flow profiles, film flow, corner flow, and slip flow. (c) 2006 Elsevier B.V. All rights reserved.
    Original languageUndefined
    Pages (from-to)263-276
    Number of pages14
    JournalSensors and actuators. B: Chemical
    Volume121
    Issue numberWP07-01/1
    DOIs
    Publication statusPublished - 30 Jan 2007

    Keywords

    • chromatographic application
    • electrokinetic transport
    • reversible wettability
    • Electrowetting-based actuation
    • Focusing microfluidic device
    • Liquid 2-Phse flow
    • AC Magnetohydrodynamic micropump
    • IR-60215
    • METIS-241597
    • thermocapillary migration
    • EWI-9713
    • Large-scale integration
    • Long bubbles

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