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1 PublicationGuidance for measuring the axial gas dispersion coefficient in bubble columns via gas flow modulation
Marchini, S.; Bieberle, A.; Schubert, M.; Hampel, U.
The gas flow modulation technique (GFM) is a novel non-invasive approach for measuring the axial gas dispersion coefficient in bubble columns. The approach overcomes the limitations of traditional tracer-based techniques, qualifying it as a promising candidate for measurements in an industrial setting. The current work elaborates systematic guidelines for selecting the experimental parameters for the GFM. These guidelines are crucial for its successful application. In addition, a novel approach is proposed for confidently extracting the values and the uncertainty limits of the axial gas dispersion coefficient. Afterwards, we show the application of these guidelines in the frame of a case study that serves the purpose to illustrate their application and to demonstrate their usefulness.
Keywords: gas flow modulation; axial dispersion coefficient; bubble columns; gas flow modulation workflow
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Permalink: https://www.hzdr.de/publications/Publ-37403