Abstract
A two-scale second-order moment two-phase turbulence model accounting for inter-particle collision is developed, based on the concepts of particle large-scale fluctuation due to turbulence and particle small-scale fluctuation due to collision and through a unified treatment of these two kinds of fluctuations. The proposed model is used to simulate gas-particle flows in a channel and in a downer. Simulation results are in agreement with the experimental results reported in references and are near the results obtained using the single-scale second-order moment two-phase turbulence model superposed with a particle collision model (USM-θ model) in most regions.
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The project supported by the Special Funds for Major State Basic Research, China (G-1999-0222-08), and the Postdoctoral Science Foundation (2004036239)
The English text was polished by Keren Wang
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Zeng, Z., Zhou, L. & Zhang, J. A two-scale second-order moment two-phase turbulence model for simulating dense gas-particle flows. ACTA MECH SINICA 21, 425–429 (2005). https://doi.org/10.1007/s10409-005-0056-4
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DOI: https://doi.org/10.1007/s10409-005-0056-4