Modeling of Gas-Solid Turbulence Flow in Silo

• Main Authors: Siti Ilyani, Rani, Jolius, Gimbun, B. A., Aziz
• Format: Conference or Workshop Item
• Language: English
• Published: 2013
• Subjects: TP Chemical technology
• Online Access: http://umpir.ump.edu.my/id/eprint/3876/1/fkksa-2013-Siti-modeling_of_gas-solid.pdf; http://umpir.ump.edu.my/id/eprint/3876/; http://sps.utm.my/wp-content/uploads/2013/09/PSEAsia2013-127.pdf
• Institution: Universiti Malaysia Pahang

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%.