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Effect of shape and size of wood on primary fragmentation in labotatory scale fluidized bed combustor

M Sreekanth ; K.A. Kolar ; Bo Leckner (Institutionen för energi och miljö, Energiteknik)
19th International Conference on Fluidized Bed Combustion (2006)
[Konferensbidrag, refereegranskat]

An experimental investigation was conducted to study the primary fragmentation of hard wood (Casuarina Equisetifolia) of cylindrical, cuboidal and spherical shapes with sizes varying from 10 mm to 30 mm in a laboratory-scale atmospheric bubbling fluidized bed combustor. The extent of primary fragmentation was found to increase with the size of the wood particle. Particles above 10 mm size were found to fragment, though to different degrees. The process of primary fragmentation is due to a complex combination of volatiles pressure and thermal and shrinkage stresses. Thermal shock was not found to cause primary fragmentation.

Nyckelord: Biomass; Fragmentation; Fuel particle



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Denna post skapades 2016-06-27. Senast ändrad 2016-08-15.
CPL Pubid: 238394

 

Institutioner (Chalmers)

Institutionen för energi och miljö, Energiteknik

Ämnesområden

Energi
Termisk energiteknik

Chalmers infrastruktur

Chalmers Kraftcentral (CK)