Modeling and Simulation of Solid Circulation Pattern in Gas-Solid Fluidized Beds

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Yazdanpanah, Shahram | 2015

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 47574 (06)
University: Sharif University of Technology
Department: Chemical and Petroleum Engineering
Advisor(s): Molaei Dehkordi, Asghar
Abstract:
In this work solid circulation pattern in 2-D gas-solid fluidized beds has been investigated carefully. In this regard TFM approach was used. In addition KTGF was applied along with Gidaspow drag model. A commercial CFD software (ANSYS FLUENT 15.0) was used to simulate the hydrodynamics of the bed. Effects of a number of operating and design parameters on the solid circulation pattern were examined in detail. These parameters were gas velocity, restitution coefficient, pressure, solid density, temperature and vertical plates. The simulation results were validated against experimental data reported in the literature. Furthermore, the solid vertical velocity was investigated carefully
Keywords:
Validation ; Modeling ; Solid-Gas Fluidized Bed ; Two-Fluid Flow ; Solid Circulation Pattern

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