Abstract
In this paper the Eulerian-Eulerian two-fluid model implemented in STAR-CCM+ is used to predict the turbulent mixing of a bubble-column flow. Calculations are performed using the Reynolds-averaged Navier-Stokes equations (RANS) and typical two-point turbulence closure models, as well as by means of large-eddy filtering techniques (LES), based on the Smalgorinsky subgrid-scale method (SGS). The bubble and fluid phases are coupled by integrating momentum exchange terms due to drag, lift and virtual-mass forces, while turbulent dispersion effects are also accounted. Validation of the multiphase Eulerian model is performed against available Laser Doppler Anemometry measurements (LDA), reported in the experimental work of Deen et al. (Chem Eng Sci 56: 6341–6349, 2001 [1]).
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Papoulias, D., Tandon, M., Splawski, A., Lo, S. (2018). Eulerian-Eulerian Large-Eddy Simulations in Bubble-Columns. In: Deville, M., et al. Turbulence and Interactions. TI 2015. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 135. Springer, Cham. https://doi.org/10.1007/978-3-319-60387-2_21
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DOI: https://doi.org/10.1007/978-3-319-60387-2_21
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