화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.17, No.2, 229-236, March, 2011
DOI10.1016/j.jiec.2011.02.011  Export Citation
Multi-fluid Eulerian modeling of limestone particles’ elutriation from a binary mixture in a gas.solid fluidized bed
Mehdi Azadi†
  • Department of Chemical Engineering, College of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
E-mail:
The elutriation of limestone from a binary mixture of particles in a gas.solid fluidized bed was simulated via computational fluid dynamics (CFD) modeling. A multiphase Eulerian model incorporating kinetic theory of granular flow was used. The effect of superficial gas velocity and particle diameter was investigated using the computational fluid dynamics model. The effects of different modeling parameters on the model predictions were evaluated. The results of simulations showed that elutriation of particles increased with increasing the superficial gas velocity and decreasing particle size. The best model predictions were achieved, using Syamlal-O’Brien drag model. The effect of restitution coefficient on the simulation results was negligible. The computed results of the simulations are compared with the experimental findings.
Keywords:CFD;Elutriation;Simulation;Particle;Eulerian;Fluidized bed
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