Pyrolysis and gasification of single biomass particle – new openFoam solver

We present a new solver biomassGasificationFoam that extended the functionalities of the well-supported open-source CFD code OpenFOAM. The main goal of this development is to provide a comprehensive computational environment for a wide range of applications involving reacting gases and solids. The b...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.530 (1), p.12015-8
Main Authors: Kwiatkowski, K, Zuk, P J, Dudyński, M, Bajer, K
Format: Article
Language:English
Subjects:
Combustion
Gasification
Heat conductivity
Heat transfer
Physics
Porous media
Pyrolysis
Solid phases
Solvers
Source code
Thermal conductivity
Wood
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Summary:We present a new solver biomassGasificationFoam that extended the functionalities of the well-supported open-source CFD code OpenFOAM. The main goal of this development is to provide a comprehensive computational environment for a wide range of applications involving reacting gases and solids. The biomassGasificationFoam is an integrated solver capable of modelling thermal conversion, including evaporation, pyrolysis, gasification, and combustion, of various solid materials. In the paper we show that the gas is hotter than the solid except at the centre of the sample, where the temperature of the solid is higher. This effect is expected because the thermal conductivity of the porous matrix of the solid phase is higher than the thermal conductivity of the gases. This effect, which cannot be considered if thermal equilibrium between the gas and solid is assumed, leads to precise description of heat transfer into wood particles.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/530/1/012015