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

D. Darmana, N.G. Deen, J.A.M. Kuipers, W. Harteveld, R.F. Mudde

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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.
Original languageEnglish
Pages (from-to)1077-1099
JournalInternational Journal of Multiphase Flow
Volume35
Issue number12
DOIs
Publication statusPublished - 2009

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