Abstract
Calculations of the structure of an upward polydisperse gas-liquid pipe flow are presented. The model is based on the Eulerian approach with account of the feedback effect of the bubbles on the average parameters and turbulence of the carrier phase. The turbulent kinetic energy of the fluid is calculated using the transport equations for the Reynolds stresses. The bubble dynamics are described with account for the variation of the mean bubble volume due to the coalescence and break-up of the bubbles. The comparison of the results with experimental data shows that the approach developedmakes it possible to describe adequately turbulent gas-liquid flows over a wide range of variation of the gas volume fraction and the initial bubble size.
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Original Russian Text © M.A. Pakhomov, V.I. Terekhov, 2015, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2015, Vol. 50, No. 2, pp. 57–69.
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Pakhomov, M.A., Terekhov, V.I. Modeling of turbulent structure of an upward polydisperse gas-liquid flow. Fluid Dyn 50, 229–239 (2015). https://doi.org/10.1134/S0015462815020076
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DOI: https://doi.org/10.1134/S0015462815020076