Korean Journal of Chemical Engineering

, Volume 34, Issue 5, pp 1541–1553 | Cite as

Three-dimensional CFD study of conical spouted beds containing heavy particles: Design parameters

  • Naimeh Setarehshenas
  • Seyyed Hossein HosseiniEmail author
  • Mohsen Nasr Esfahany
  • Goodarz Ahmadi
Fluidization, Particle Technology


The flow behavior of conical spouted beds containing heavy particles that occurs in chemical vapor deposition (CVD) was investigated using the computational fluid dynamics (CFD) approach. A fully Eulerian description of solid and gas phases flows in 3D was used in these simulations. The hydrodynamics parameters including particle velocity, solid flux, and solid volume fraction profiles at different bed levels were evaluated, and the overall behavior of solid particles in the beds was studied. The results showed close agreement with the corresponding experimental data. The effects of cone angle, static bed height, and cone bottom diameter on the hydrodynamic behavior of heavy particles were analyzed and the results were presented. In addition, the effects of flat wall of semi-conical spouted bed (half-column) on the CFD results and performance of the spouted bed were investigated. The hydrodynamic results for the full bed were quite different from those for the half bed geometries. It was also found that the conical spouted bed with the angle of 45° leads to the roughly stable spouting compared to the 30° angle bed. The CFD model also showed that the conical-cylindrical spouted beds operating with heavy particles has the potential for periodic occurrence of choking in the spout zone.


CFD Conical Spouted Bed Heavy Particles Hydrodynamics Design Parameters 


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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2017

Authors and Affiliations

  • Naimeh Setarehshenas
    • 1
  • Seyyed Hossein Hosseini
    • 2
    Email author
  • Mohsen Nasr Esfahany
    • 3
  • Goodarz Ahmadi
    • 4
  1. 1.Department of Chemical EngineeringUniversity of Sistan and BaluchestanZahedanIran
  2. 2.Department of Chemical EngineeringIlam UniversityIlamIran
  3. 3.Department of Chemical EngineeringIsfahan University of TechnologyIsfahanIran
  4. 4.Department of Mechanical and Aeronautical EngineeringClarkson UniversityPotsdamUSA

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