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Heat transfer in the boundary layer of a circulating fluidized bed boiler

Gennadij Palchonok ; Claes Breitholtz (Institutionen för energiomvandling) ; Bengt-Åke Andersson (Institutionen för energiomvandling) ; Bo Leckner (Institutionen för energiomvandling)
Proc of the 8th Engineering Foundation Conference on Fluidization Vol. 8 (1996), p. 291-309.
[Konferensbidrag, refereegranskat]

The heat transfer coefficient was measured with dark (steel) and light (silver) spherical probes, 5-15 mm in diameter, in a circulating fluidized bed boiler under various operating conditions. The probes were located ar different axial and radial positions in the wall region of the furnace, where fluid dynamic and thermal boundary layers are formed. A model is proposed to connect the measured heat transfer coefficient and its constituents with the local bed characteristics.

Nyckelord: Fluidized bed combustion; Heat transfer; Boiler



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Denna post skapades 2016-06-28. Senast ändrad 2016-08-15.
CPL Pubid: 238569

 

Institutioner (Chalmers)

Institutionen för energiomvandling (1900-2003)

Ämnesområden

Energi
Termisk energiteknik

Chalmers infrastruktur

Chalmers Kraftcentral (CK)