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Predicting toxic gas concentrations resulting from enclosure fires using local equivalence ratio concept linked to fire field models

Predicting toxic gas concentrations resulting from enclosure fires using local equivalence ratio concept linked to fire field models

Wang, Zhaozhi, Jia, Fuchen and Galea, Edwin R. ORCID: 0000-0002-0001-6665 (2007) Predicting toxic gas concentrations resulting from enclosure fires using local equivalence ratio concept linked to fire field models. Fire and Materials, 31 (1). pp. 27-51. ISSN 0308-0501 (doi:https://doi.org/10.1002/fam.924)

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Abstract

A practical CFD method is presented in this study to predict the generation of toxic gases in enclosure fires. The model makes use of local combustion conditions to determine the yield of carbon monoxide, carbon dioxide, hydrocarbon, soot and oxygen. The local conditions used in the determination of these species are the local equivalence ratio (LER) and the local temperature. The heat released from combustion is calculated using the volumetric heat source model or the eddy dissipation model (EDM). The model is then used to simulate a range of reduced-scale and full-scale fire experiments. The model predictions for most of the predicted species are then shown to be in good agreement with the test results

Item Type: Article
Uncontrolled Keywords: enclosure fire, CFD, fire field model, carbon monoxide, local equivalence ratio
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Pre-2014 Departments: School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis
School of Computing & Mathematical Sciences
School of Computing & Mathematical Sciences > Department of Mathematical Sciences
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Fire Safety Engineering Group
Related URLs:
Last Modified: 18 Jul 2018 17:20
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/1059

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