Numerical study of homogeneous bubbly flow: Influence of the inlet conditions to the hydrodynamic behavior

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Darmana, D. and Deen, N.G. and Kuipers, J.A.M. and Harteveld, W.K. and Mudde, R.F. (2009) Numerical study of homogeneous bubbly flow: Influence of the inlet conditions to the hydrodynamic behavior. International Journal of Multiphase Flow, 35 (12). pp. 1077-1099. ISSN 0301-9322

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Abstract:This paper discusses the role of the gas injection pattern on the large scale structures in a homogeneous pseudo-2D bubble column operated at relatively high gas hold-ups up to 8%. Seven cases with different inlet configuration have been studied experimentally by Harteveld et al. Each of these cases has been simulated using a (parallel) Euler–Lagrange model developed by Darmana et al. The presence of coherent structures for both uniform and non-uniform gas injection is studied. Furthermore, the influence of the gas injection pattern on the dynamics is investigated, while the statistical (average and fluctuating) quantities are compared with the PIV/PTV and LDA measurement data of Harteveld et al. The results show that the model resembles the observed experimental flow structures to a large extent.
Item Type:Article
Copyright:Elsevier
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Link to this item:http://purl.utwente.nl/publications/71100
Official URL:http://dx.doi.org/10.1016/j.ijmultiphaseflow.2009.08.003
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