Modelling the Spontaneous Combustion of Coal: The Adiabatic Testing Procedure

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Show simple item record Zarrouk, Sadiq en O'Sullivan, Michael en St George, JD en 2012-03-21T19:43:02Z en 2006 en
dc.identifier.citation Combustion Theory and Modelling 10(6):907-926 2006 en
dc.identifier.issn 1364-7830 en
dc.identifier.uri en
dc.description.abstract Ageneral approach is described for modelling problems that involve heat and mass transfer in coal, such as spontaneous combustion. It is based on the TOUGH2 code, which is a general-purpose simulator for modelling multi-component, multi-phase, non-isothermal flow in a porous medium. An equation of state (EOS) module for TOUGH2 is developed, which includes accurate physical properties for all of the gases involved (N2, oxygen and carbon dioxide). The new simulator is then used to model the adiabatic method for testing the reactivity of coal samples. An important part of the model development is the selection of the approximate representation of the reaction of coal with oxygen. The results show that (i) using dual Arrhenius parameters and (ii) representing the heat-release as an oxidation reaction rather than a purely thermal reaction both significantly improve the match of the model to the experimental data. en
dc.publisher Taylor & Francis Ltd. en
dc.relation.ispartofseries Combustion Theory and Modelling en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from: en
dc.rights.uri en
dc.title Modelling the Spontaneous Combustion of Coal: The Adiabatic Testing Procedure en
dc.type Journal Article en
dc.identifier.doi 10.1080/13647830600644456 en
pubs.issue 6 en
pubs.begin-page 907 en
pubs.volume 10 en
dc.rights.holder Copyright: Taylor & Francis Ltd. en
pubs.end-page 926 en
dc.rights.accessrights en
pubs.subtype Article en
pubs.elements-id 50529 en Engineering en Engineering Science en
pubs.record-created-at-source-date 2010-09-01 en

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