Strong enhancement of streaming current power by application of two phase flow

Yanbo Xie, John D. Sherwood, Lingling Shui, Albert Van Den Berg, Jan C.T. Eijkel

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    Abstract

    We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. In single-phase systems, the internal conduction current induced by the streaming potential limits the output power, while in a two-phase system the bubbles reduce this current and increase the power. The addition of bubbles enhanced the maximum output power of the system by a factor of 74 and the efficiency of the system by a factor of 163 compared with single phase flow.

    Original languageEnglish
    Title of host publication15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011
    Pages275-277
    Number of pages3
    Volume1
    Publication statusPublished - 1 Dec 2011
    Event15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, µTAS 2011 - Seattle, United States
    Duration: 2 Oct 20116 Oct 2011
    Conference number: 15
    https://microtasconferences.org/microtas2011/

    Conference

    Conference15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, µTAS 2011
    Abbreviated titleMicroTAS
    CountryUnited States
    CitySeattle
    Period2/10/116/10/11
    Internet address

    Keywords

    • Energy conversion
    • Streaming current
    • Two phase flow

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