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Title: A thermo fluid dynamic model of wood particle gasification and combustion processes
Authors : Boiger, Gernot Kurt
Published in : The International Journal of Multiphysics
Volume(Issue) : 8
Issue : 2
Pages : 203
Pages to: 230
Publisher / Ed. Institution : International Society of Multiphysics
Issue Date: 2014
License (according to publishing contract) : CC BY 4.0: Namensnennung 4.0 International
Type of review: Not specified
Language : English
Subjects : Fluiddynamic; Thermochemistry; Combustion; Gasification
Subject (DDC) : 540: Chemistry
Abstract: In order to qualitatively understand and evaluate the thermo- fluid dynamic situation within a wood gasification reactor, a 1D particle model has been created. The presented tool accounts for the highly in- stationary, kinetic- and thermo chemical effects, leading to partial gasification and combustion of a wood particle embedded within a packed bed collective. It considers the fluid- dynamic situation within the changing porous bulk structure of the packed bed, its impact on species- and heat transition mechanisms, the energy- and mass balances of wood, coal, pyrolysis- gas, wood- gas and off- gas phases, the thermodynamics of locally developing gasification- and combustion reaction equilibria, as well as the presence of the chemical species hydrogen, water, carbon (di-) oxide, methane, oxygen, solid carbon and gaseous, longer chain hydrocarbons from pyrolysis. Model results can be shown to yield very good, qualitative agreement with measurements, found in literature.
Departement: School of Engineering
Organisational Unit: Institute of Computational Physics (ICP)
Publication type: Article in scientific Journal
DOI : 10.1260/1750-9548.8.2.203
ISSN: 2048-3961
Appears in Collections:Publikationen School of Engineering

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