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Model for drying during fluidized-bed combustion of wet low-rank coals

Pradeep, K. Agarwal; William, E. Genetti; Yam Yee Lee; Shyam, N. Prasad

Fuel 63(7): 1020-1027

1984

ISSN/ISBN: 0016-2361
DOI: 10.1016/0016-2361(84)90328-4
Accession: 061777297
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An unsteady state heat conduction model with a convective boundary condition is proposed for the drying of low-rank, high-porosity coals, such as lignites, during fluidized-bed combustion. The drying front is assumed to be the receding surface of a wet core. The solution technique for this moving boundary problem is based on the heat balance integral approach with immobilization of the moving boundary by a change in space variable.

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