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Publication datasheet
Title:
Combustion modeling of a biomass packed bed in moving grate furnaces
Authors:
Troccia, N.; Palmieri, F.; Gallucci, F.
Year:
2012
Languages:
ENG, eng
Journal:
20th European Biomass Conference and Exhibition, 18-22 June 2012, Milan, Italy.
Kind of publication:
Cartaceo
Location:
Editor:
ETA-Florence Renewable Energies
Abstract in Italian:
Abstract in English:
This paper represents the result of an accurate analysis of biomass thermal conversion process that allowed the development of a biomass combustion mathematical model. It is part of a more extensive work that concerns the study and the characterization of biomass combustion process. The aim of the work can be reassumed in the following points: 1) development of a mathematical model to simulate biomass combustion, 2) abatement of pollutant emission through highlighting correlations among combustion process parameters, biomass characteristics (chemical and physical) and mechanisms of pollutant formation, 3) combustion investigation over a wide plant biomass collection, 4) development of more efficient combustion and energy recovery systems. In such a part of work, a two 2-D steady-state model of biomass packed bed combustion is presented. It considers thermal conversion of biomass in a moving grate furnace. The model takes into account moisture evaporation, devolatilization of volatile matter, char combustion, gas fluid dynamics in porous bed, convective, conductive and radiative heat transfer. Composition and velocity field of gas phase above the biomass bed are presented. These results are structured to be used in a multidimensional CFD model of gas phase combustion.
Link:
http://dx.doi.org/10.5071/20thEUBCE2012-2CV.4.12

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