In this paper the transient three-dimensional flow developing in a cylindrical laboratory bubble column is addressed from a numerical point of view. The simulation scheme combines a Large Eddy Simulation (LES) for describing the liquid phase and a Lagragian approach for the gas (discrete) phase. The bubble equation of motion considers all the relevant forces, i.e., buoyancy, pressure, drag, added mass and transverse lift. From the calculations, the transverse lift in combination with the drag is identified as the main mechanism allowing the bubbles to spread over the column cross-section. The liquid and gas velocity profiles obtained are compared with the experimental data and k–ε results presented in Lai´n et al. (2001). As a matter of fact, the dynamic structure of the liquid flow induced by the rising bubbles is well reproduced and also good quantitative results for all measured variables of both phases, gas and liquid, are obtained.
ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4750-0
PROCEEDINGS PAPER
Numerical Simulation of the Transient Three-Dimensional Gas-Liquid Flow in a Cylindrical Bubble Column
Santiago Lai´n Beatove
,
Santiago Lai´n Beatove
Universidad Auto´noma de Occidente, Cali, Colombia
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Martin Sommerfeld
Martin Sommerfeld
Martin-Luther-Universita¨t Halle-Wittenberg, Halle (Saale), Germany
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Author Information
Santiago Lai´n Beatove
Universidad Auto´noma de Occidente, Cali, Colombia
Martin Sommerfeld
Martin-Luther-Universita¨t Halle-Wittenberg, Halle (Saale), Germany
Paper No:
FEDSM2006-98392, pp. 1841-1850; 10 pages
Published Online:
September 5, 2008
Citation
Lai´n Beatove, Santiago, and Sommerfeld, Martin. "Numerical Simulation of the Transient Three-Dimensional Gas-Liquid Flow in a Cylindrical Bubble Column." Proceedings of the ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. Volume 1: Symposia, Parts A and B. Miami, Florida, USA. July 17–20, 2006. pp. 1841-1850. ASME. https://doi.org/10.1115/FEDSM2006-98392
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