Jia, F. ORCID: https://orcid.org/0000-0003-1850-7961, Galea, E.R. ORCID: https://orcid.org/0000-0002-0001-6665 and Patel, M.K. (1999) The numerical simulation of noncharring thermal degradation and its application to the prediction of compartment fire development. In: Fire Safety Science: Proceedings of the Sixth International Symposium. IAFSS Symposiums (6). International Association for Fire Safety Science, Greenwich, London, UK, pp. 953-964. ISBN 0925223255 (doi:10.3801/IAFSS.FSS.6-953)

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Abstract

In this paper we present some work concerned with the development and testing of a simple solid fuel combustion model incorporated within a Computational Fluid Dynamics (CFD) framework. The model is intended for use in engineering applications of fire field modeling and represents an extension of this technique to situations involving the combustion of solid fuels. The CFD model is coupled with a simple thermal pyrolysis model for combustible solid noncharring fuels, a six-flux radiation model and an eddy-dissipation model for gaseous combustion. The model is then used to simulate a series of small-scale room fire experiments in which the target solid fuel is polymethylmethacrylate. The numerical predictions produced by this coupled model are found to be in very good agreement with experimental data. Furthermore, numerical predictions of the relationship between the air entrained into the fire compartment and the ventilation factor produce a characteristic linear correlation with constant of proportionality 0.38 kg/sm5/12. The simulation results also suggest that the model is capable of predicting the onset of "flashover" type behavior within the fire compartment.

Item Type:	Conference Proceedings
Title of Proceedings:	Fire Safety Science: Proceedings of the Sixth International Symposium
Additional Information:	[1] This paper was first presented at The Sixth lnternational Symposium (Symposium 6) on Fire Safety Science held from 5-9 July 1999 at the University of Poitiers, France. The Symposium was organized by the International Association for Fire Safety Science (IAFSS). [2] This paper was given within the Behavior Section of the Symposium.
Uncontrolled Keywords:	Computational Fluid Dynamics (CFD), field models, pyrolysis, solid fuel combustion, flashover, post-flashover
Subjects:	Q Science > QA Mathematics > QA76 Computer software T Technology > TP Chemical technology
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Mechanics & Reliability Group School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Fire Safety Engineering Group School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:	Publisher Organisation Organisation Organisation
Last Modified:	22 Oct 2020 08:38
URI:	http://gala.gre.ac.uk/id/eprint/388

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