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Radial Hydrodynamics of High Velocity Gas-Solid Down-Flow Fluidized Beds

[+] Author Affiliations
Songgeng Li, Weigang Lin, Jianzhong Yao

Chinese Academy of Sciences, Beijing, P.R. China

Paper No. FBC2003-123, pp. 493-497; 5 pages
  • 17th International Conference on Fluidized Bed Combustion
  • 17th International Conference on Fluidized Bed Combustion
  • Jacksonville, Florida, USA, May 18–21, 2003
  • Conference Sponsors: Advanced Energy Systems
  • ISBN: 0-7918-3680-0 | eISBN: 0-7918-3675-4
  • Copyright © 2003 by ASME


Experiments have been carried out in a gas-solids co-current down-flow circulating fluidized beds. The radial profiles of particle velocity and solid concentrations were measured by a fiber optical probe. Local solid flux was calculated based on the measured local particle velocity and solid concentration. The influence of gas velocity and solid recirculation rate on the radial flow structure has been examined. The experimental results show that the radial flow structure at high gas velocity has its own prominent characteristics in comparison with that at low gas velocity.

Copyright © 2003 by ASME



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