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Combustion modelling of pulverised biomass particles at high temperatures.

Li, Jun; Paul, Manosh C.; Younger, Paul L.; Watson, Ian; Hossain, Mamdud; Welch, Stephen


Jun Li

Manosh C. Paul

Paul L. Younger

Ian Watson

Stephen Welch


Biomass co-firing is becoming a promising solution to reduce CO2 emissions, due to its renewability and carbon neutrality. Biomass normally has high moisture and volatile contents, complicating its combustion behaviour, which is significantly different from that of coal. A computational fluid dynamics (CFD) combustion model of a single biomass particle is developed in this work, to predict the mass loss properties and temperature profile during the biomass devolatilization and combustion processes, by solving the energy and mass transport equations. The biomass devolatilization reaction was simulated by a two-competing-rate model and the biomass char burnout rate was controlled by both kinetics and diffusion to predict the particle size changes. The resulting predicted temperature profiles show good agreement with experimental data. The results also shed light on the effects of biomass particle size, air temperature and oxygen concentrations on biomass particle combustion behaviour.


LI, J., PAUL, M.C., YOUNGER, P.L., WATSON, I., HOSSAIN, M. and WELCH, S. 2015. Combustion modelling of pulverised biomass particles at high temperatures. Energy procedia [online], 66, pages 273-276. Available from:

Journal Article Type Article
Acceptance Date May 31, 2015
Online Publication Date May 31, 2015
Publication Date Dec 31, 2015
Deposit Date Aug 27, 2015
Publicly Available Date Aug 27, 2015
Journal Energy Procedia
Print ISSN 1876-6102
Electronic ISSN 1876-6102
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 66
Pages 273-276
Keywords Biomass combustion; CFD; Single particle model
Public URL


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