Combustion modelling of pulverized biomass particles at high temperatures

Li, Jun and Paul, Manosh C. and Younger, Paul L. and Watson, Ian and Hossain, Mamdud and Welch, Stephen (2015) Combustion modelling of pulverized biomass particles at high temperatures. Energy Procedia, 66. pp. 273-276. ISSN 1876-6102 (https://doi.org/10.1016/j.egypro.2015.02.055)

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Abstract

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.

  • Item type:Article
    ID code:60154
    Dates:
    Date
    Event
    31 May 2015
    Published
    31 May 2015
    Published Online
    Notes:Funding Information: Financial support for this research from The Carnegie Trust and EPSRC through an Impact Acceleration Award is highly acknowledged. Publisher Copyright: © 2015 The Authors. Published by Elsevier Ltd.
    Subjects:Technology > Chemical engineering
    Department:Faculty of Engineering > Chemical and Process Engineering
    Depositing user: Pure Administrator
    Date deposited:13 Mar 2017 13:44
    Last modified:14 Apr 2024 00:31
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/60154
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