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Modelling of pulverised wood combustion: a comparison of different models

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Author

Summary, in English

Several models have been proposed in the literature for numerical simulations of pulverised wood drying, pyrolysis, gasification and combustion processes. These models are based on different assumptions and they yield fairly different results. In the present study a pulverised wood flame in a laboratory vertical furnace is chosen as the test case to evaluate the different sub-models including, drying, devolatilisation and shrinkage processes. Numerical results from a base model are first compared with experimental data. Sensitivity of the numerical results to various model parameters and fuel variations such as moisture content, gas compositions, devolatilisation rate constant and shrinkage are examined based on the base model, using the 'changing one separate factor at a time' (COST) approach.

Department/s

Publishing year

2006

Language

English

Pages

188-199

Publication/Series

Progress in Computational Fluid Dynamics, An International Journal

Volume

6

Issue

4-5

Document type

Journal article

Publisher

Inderscience Publishers

Topic

  • Fluid Mechanics and Acoustics

Keywords

  • drying
  • pulverised wood
  • numerical modelling
  • shrinkage
  • devolatilisation

Status

Published

ISBN/ISSN/Other

  • ISSN: 1741-5233