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A comprehensive biomass combustion model

Author

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  • Jones, J.M.
  • Pourkashanian, M.
  • Williams, A.
  • Hainsworth, D.

Abstract

A combustion model for wheat straw is discussed and compared to that of a bituminous coal, Pittsburgh No. 8. The input data into the combustion model for both cases were generated using the FG-DVC pyrolysis model, which had been validated in part experimentally. The combustion behaviour of the two fuels are investigated using a laminar flow CFD model of a drop-tube furnace. The results indicate that, because of the low calorific nature of the straw volatiles, the combustion takes place at a lower temperature, but with rapid ignition and rapid devolatilisation. The straw char is highly microporous with relatively high ash and oxygen contents; consequently, the burnout is quicker than the analogous coal char burnout.

Suggested Citation

  • Jones, J.M. & Pourkashanian, M. & Williams, A. & Hainsworth, D., 2000. "A comprehensive biomass combustion model," Renewable Energy, Elsevier, vol. 19(1), pages 229-234.
    • Handle: RePEc:eee:renene:v:19:y:2000:i:1:p:229-234
    DOI: 10.1016/S0960-1481(99)00036-1
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    Cited by:

    1. Ren, Qiangqiang & Zhao, Changsui, 2015. "Evolution of fuel-N in gas phase during biomass pyrolysis," Renewable and Sustainable Energy Reviews, Elsevier, vol. 50(C), pages 408-418.
    2. Barsali, S. & De Marco, A. & Giglioli, R. & Ludovici, G. & Possenti, A., 2015. "Dynamic modelling of biomass power plant using micro gas turbine," Renewable Energy, Elsevier, vol. 80(C), pages 806-818.

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