Publications


Here you will find all publications of the Institut of Multiphase Flows that have a DOI or an ISBN. The individual entries can be downloaded in BibTex format.

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[123790]
Title: Mass Transfer from Single Taylor Bubbles in Mini Channels
Written by: Kastens, S.; Hosoda, S.; Schlüter, M.; Tomiyama, A.
in: Chemical Engineering & Technology, special Issue: "Multiscale Multiphase Process Engineering" (Editorial: Schlüter, M.; Bothe, D.; Terasaka, K.) November 2015
Volume: 38 Number: 11
on pages: 1925-1932
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DOI: 10.1002/ceat.201500065
URL: https://onlinelibrary.wiley.com/doi/full/10.1002/ceat.201500065
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Abstract: Mass transfer from single CO2 Taylor bubbles in vertical minichannels was measured for various channel hydraulic diameters Dh. The effects of channel geometries on the mass transfer were also investigated by using square ducts and circular pipes. Bubble rising velocities, vB, in the ducts were much faster than those in the pipes due to large liquid flow areas in the corners of the ducts. The values of mass transfer coefficients in the pipes were almost the same as those in the ducts, in spite of a large difference in vB. Sherwood numbers, ShD, using Dh as a characteristic length, are well?correlated in terms of the Eötvös number. The proposed ShD correlation can well predict a long?term dissolution process of a Taylor bubble.