Comparison of a networks-of-zones fluid mixing model for a baffled stirred vessel with three-dimensional electrical resistance tomography

T. L. Rodgers, F. R. Siperstein, R. Mann, T. A. York, A. Kowalski

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Reliable models for the simulation of mixing vessels are important for the understanding of real-life mixing problems. To achieve these models, information about the mixing in the system must be measured to compare with the predicted values. Electrical resistance tomography has the capability to measure spatial and temporal changes within a vessel in three dimensions even in optically inaccessible environments. This paper discusses the creation of a network-of-zones model for the prediction of mixing within a vessel with a Cowles disc-type agitator. Solving of the network-of-zones simplified transport equations for the vessel predicts the concentration distribution of an inert tracer added to the vessel. The change in this distribution with time is calculated and compared with visual inspection of the vessel. The concentration distribution inside the vessel is also measured using electrical resistance tomography and shows good agreement with the predicted values. © 2011 IOP Publishing Ltd.
    Original languageEnglish
    Article number104014
    JournalMeasurement Science and Technology
    Volume22
    Issue number10
    DOIs
    Publication statusPublished - Oct 2011

    Keywords

    • Cowles disc
    • mixing
    • modelling
    • network-of-zones
    • tomography

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