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Modeling fuel mixing in a fluidized bed combustor

David Pallares (Institutionen för energi och miljö) ; Filip Johnsson (Institutionen för energi och miljö)
12th Interntional Conference on Fluidization (2007)
[Konferensbidrag, refereegranskat]

This paper presents a 3-dimensional model for fuel mixing in fluidized bed combustors. The model accounts for the mixing patterns experimentally shown to govern the mixing in the different zones of the riser and the return leg and can be applied both under bubbling and circulating regimes. Thus, the semi-empirical basis of the model was previously validated in different large-scale fluidized bed combustors and is combined with a model for fuel particle conversion to obtain the fuel concentration. Results obtained with the model are compared with experimental data from the Chalmers 12 MWth CFB combustor, yielding reasonably agreement.

Denna post skapades 2007-01-16. Senast ändrad 2010-02-15.
CPL Pubid: 25661


Institutioner (Chalmers)

Institutionen för energi och miljö



Chalmers infrastruktur