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Modeling of Gas-Solid Turbulence Flow in Silo

Siti Ilyani, Rani and Jolius, Gimbun and B. A., Aziz (2013) Modeling of Gas-Solid Turbulence Flow in Silo. In: Proceedings of the 6th International Conference on Process Systems Engineering (PSE ASIA), Kuala Lumpur , 25-27 June 2013. pp. 784-798..

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This paper presents a computational fluid dynamics (CFD) study of gas-solid turbulence flow in a silo. The simulations were performed using three different turbulent models namely, standard k-ε (SKE), RNG k-ε (RNG) and Realizable k-ε (RKE). The gravitational force, Saffman lift force and two-way coupling effect were employed. The influence of grid size, discretization, modeling strategies and solver were examined. An Eulerian-Lagrangian approach was used to model the particle flow using Disperse Phase Model (DPM). The predicted gas-solid flow patterns inside the silo chamber were found to be in good agreement to the experimental data adopted from literature. Good predictions were achieved using RNG k-ε with discrepancy around 4%.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: CFD; Flow; Silo; Turbulence model; Disperse phase model
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 21 Aug 2013 02:10
Last Modified: 13 Sep 2017 02:04
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