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Type: Conference paper
Title: Numerical computation of turbulent gas-particle flow in a 90 degree bend: comparison of two particle modelling approaches
Author: Tian, Z.
Citation: Proceedings Computational Techniques and Applications Conference: pp.C741-C758
Issue Date: 2007
ISSN: 1446-1811
Conference Name: Biennial Computational Techniques and Applications Conference (13th : 2006 : Townsville, Queensland)
Statement of
K. Mohanarangam, Z. F. Tian and J. Y. Tu
Abstract: A numerical study into the physical characteristics of dilute gas-particle flows over a square-sectioned $90^\circ$~bend is reported. Two approaches, namely the Lagrangian particle tracking model and Eulerian two fluid model are employed to predict the gas-particle flows. Renormalization Group based $k$-$\epsilon$ model is used as the turbulent closure for both the approaches; however, for the Eulerian model, additional transport equations are solved to account for the combined gas-particle interactions and the turbulence kinetic energy of the particulate phase. In comparison to both Eulerian-Eulerian and Eulerian-Lagrangian approaches the former was found to yield closer agreement with the measured values. The Eulerian-Lagrangian approach obtains finer details of the behaviour of particles, while Eulerian-Eulerian model can be used for industrial scale problems. All the simulated results are compared against the experimental finding of Kliafas and Holt (1987).
Description: Also published as a journal article in: ANZIAM Journal, 2006; 48 (Electronic supplement) 2006-7:C741-C758
Rights: © Austral. Mathematical Soc. 2007
RMID: 0020107890
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Appears in Collections:Mechanical Engineering publications

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