Ballistic Kelvin's water dropper for energy harvesting

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    Abstract

    In this paper, we introduce a microfluidic self-excited energy conversion system inspired by Kelvin’s water dropper but driven by inertia instead of gravity. Two micro water jets are produced by forcing water through two micropores, breaking up into microdroplets which are inductively charged by electrostatic gates. Targets and electrostatic gates are cross-connected in a way similar to Kelvin’s water dropper. To prevent overcharging of the droplets, a voltage divider using inversely connected diodes was introduced in our system to control the charge induction. Maximal 18% energy conversion efficiency was obtained with the diode-gated system.
    Original languageEnglish
    Title of host publication18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014
    PublisherChemical and Biochemical Society
    Pages163-165
    Number of pages3
    ISBN (Print)978-0-9798064-7-6
    Publication statusPublished - 26 Oct 2014
    Event18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, µTAS 2014 - San Antonio, United States
    Duration: 26 Oct 201430 Oct 2014
    Conference number: 18

    Publication series

    NameMicroTAS
    PublisherChemical and Biochemical Society
    Volume2014
    ISSN (Print)1556-5904

    Conference

    Conference18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, µTAS 2014
    Abbreviated titleMicroTAS
    CountryUnited States
    CitySan Antonio
    Period26/10/1430/10/14

    Keywords

    • Energy conversion
    • Kelvin's water dropper
    • Micro-droplets

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  • Cite this

    Xie, Y., de Boer, H. L., Sprenkels, A. J., van den Berg, A., & Eijkel, J. C. T. (2014). Ballistic Kelvin's water dropper for energy harvesting. In 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014 (pp. 163-165). (MicroTAS; Vol. 2014). Chemical and Biochemical Society.