Publisher： Trans Tech Publications
E-ISSN： 1662-7482|2015|813|718-722
ISSN： 1660-9336
Source： Applied Mechanics and Materials, Vol.2015, Iss.813, 2015-12, pp. : 718-722
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Abstract
A gas-solid multiphase flow is simulated using CFD to investigate the fluid dynamics of a fluidized bed reactor. The simulation is based on Euler-Euler two fluid model where Kinetic Theory of Granular Flow is used for predicting the solid phase transport properties. The simulation procedure is validated by reproducing and comparing hydrodynamic parameters with those available in the literature. The effect of different turbulence models on bed fluid dynamics is analyzed and k-ε RNG per-phase model is found to have better prediction accuracy compared to other models. The minimum fluidization velocity, granular temperature, bed expansion, particle velocity and volume fraction are determined by the model.
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