Experiments and CFD Modelling of Turbulent Mass Transfer in a Mixing Channel

Lene Kristin Hjertager Osenbroch, Bjørn H. Hjertager, Tron Solberg

    Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

    Abstract

    Experiments are carried out for passive mixing in order to obtain local mean and turbulent velocities and concentrations. The mixing takes place in a square channel with two inlets separated by a block. A combined PIV/PLIF technique is used to obtain instantaneous velocity and concentration fields. Three different flow cases are studied. The 2D numerical predictions of the mixing channel show that none of the k-ε turbulence models tested is suitable for the flow cases studied here. The turbulent Schmidt number is reduced to obtain a better agreement between measured and predicted mean and fluctuating concentrations. The multi-peak presumed PDF mixing model is tested.
    Original languageEnglish
    Title of host publicationProceedings of the 12th European Conference on Mixing
    EditorsFranco Magelli, Giancarlo Baldi, Alberto Brucato
    PublisherAIDIC
    Publication date2006
    Pages711-718
    ISBN (Print)8890191597
    Publication statusPublished - 2006
    EventEuropean Conference on Mixing - Bologna, Italy
    Duration: 27 Jun 200630 Jun 2006
    Conference number: 12

    Conference

    ConferenceEuropean Conference on Mixing
    Number12
    Country/TerritoryItaly
    CityBologna
    Period27/06/200630/06/2006

    Keywords

    • Mixing
    • PIV
    • PLIF
    • CFD
    • Mass transfer
    • Probability density funcyion

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