Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Unified modeling of bubbly flows in pipes, bubble columns, and airlift columns Rzehak, R.; Ziegenhein, T.; Kriebitzsch, S.; Krepper, E.; Lucas, D.; Originally published: May 2016 Chemical Engineering Science 157(2017), 147-158 DOI: https://doi.org/10.1016/j.ces.2016.04.056 Perma-Link to Publication Repository of HZDR: https://www.hzdr.de/publications/Publ-22634 Release of the secondary publication on the basis of the German Copyright Law § 38 Section 4. CC-BY-NC-ND 4.0