Numerical investigations of bubbles rising in water

Numerical investigations of bubbles rising in water The hydrodynamics of rising air bubbles in water filled bubble columns are examined using a transient numerical model following the Euler‐Euler method. In this particular case the bubble‐size distribution is assumed to be mono‐disperse and the influence of this assumption on the specific mass‐transfer area is discussed. Additionally, the influence of the bubble size is discussed with regard to the mass‐transfer area, the air volume‐fraction, and the axial air velocity profile. To validate the numerical model, experimental results from tomographic measurements at the Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) are used. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proceedings in Applied Mathematics & Mechanics Wiley

Numerical investigations of bubbles rising in water

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Publisher
Wiley
Copyright
Copyright © 2017 Wiley Subscription Services
ISSN
1617-7061
eISSN
1617-7061
D.O.I.
10.1002/pamm.201710297
Publisher site
See Article on Publisher Site

Abstract

The hydrodynamics of rising air bubbles in water filled bubble columns are examined using a transient numerical model following the Euler‐Euler method. In this particular case the bubble‐size distribution is assumed to be mono‐disperse and the influence of this assumption on the specific mass‐transfer area is discussed. Additionally, the influence of the bubble size is discussed with regard to the mass‐transfer area, the air volume‐fraction, and the axial air velocity profile. To validate the numerical model, experimental results from tomographic measurements at the Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) are used. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Journal

Proceedings in Applied Mathematics & MechanicsWiley

Published: Jan 1, 2017

References

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