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- Ritvanen, Jouni, et al. Show all 4 Authors
- Powder technology 2018 v.339 pp. 569-584
- fluidized beds; hydrodynamics; models; powders; terminal velocity
- ... The hydrodynamic characteristics of gas and solid flows in circulating fluidized beds (CFB) can also influence other processes. To investigate various features of flows and mass circulation in CFB, a computational study was performed with the support of experiments measured in the riser section of a lab-scale apparatus of CFB. The fluidization velocity was slightly below the terminal velocity to a ...
- Ritvanen, Jouni, et al. Show all 5 Authors
- Powder technology 2015 v.274 pp. 239-249
- fluidized beds; furnaces; hydrodynamics; models; momentum; particle size; powders
- ... A Eulerian multiphase model was used to study the hydrodynamics of the gas–solids flow in a circulating fluidized bed (CFB) furnace. Alternative modeling approaches were tried to evaluate their effects on the predicted solids distribution in the furnace. Due to high computational costs, large scale calculations are commonly performed by using a coarse mesh, which leads to too uniform solids flow f ...