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The development of a CFD based simulator for water mist suppression systems: the development of the fire submodel

The development of a CFD based simulator for water mist suppression systems: the development of the fire submodel

Mawhinney, R.N., Grandison, A.J. ORCID: 0000-0002-9714-1605, Galea, E.R. ORCID: 0000-0002-0001-6665, Patel, M.K. and Ewer, J. (2000) The development of a CFD based simulator for water mist suppression systems: the development of the fire submodel. Journal of Applied Fire Science, 9 (4). pp. 311-345. ISSN 1044-4300 (Print), 1541-4183 (Online) (doi:10.2190/L07V-KGDD-KUPJ-D397)

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Abstract

The FIRE Detection and Suppression Simulation (FIREDASS) project was concerned with the development of water misting systems as a possible replacement for halon based fire suppression systems currently used in aircraft cargo holds and ship engine rooms. As part of this program of work, a computational model was developed to assist engineers optimize the design of water mist suppression systems. The model is based on Computational Fluid Dynamics (CFD) and comprised of the following components: fire model; mist model; two-phase radiation model; suppression model; detector/activation model. In this paper the FIREDASS software package is described and the theory behind the fire and radiation sub-models is detailed. The fire model uses prescribed release rates for heat and gaseous combustion products to represent the fire load. Typical release rates have been determined through experimentation. The radiation model is a six-flux model coupled to the gas (and mist) phase. As part of the FIREDASS project, a detailed series of fire experiments were conducted in order to validate the fire model. Model predictions are compared with data from these experiments and good agreement is found.

Item Type: Article
Additional Information: [1] CMS Ref. No: 00/67.
Uncontrolled Keywords: FIRE Detection and Suppression Simulation, (FIREDASS), water misting systems, fire modelling, maritime safety, aircraft safety, Computational Fluid Dynamics, (CFD)
Subjects: Q Science > QA Mathematics
T Technology > T Technology (General)
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:
Last Modified: 14 Oct 2016 09:00
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/488

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