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Simulation of the suppression of fires using water mists

Mahmud, H. M. Iqbal (2016) Simulation of the suppression of fires using water mists. PhD thesis, Victoria University.

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As warships can carry weapons on board, the unlikely occurrence of fire is one of the most feared events on board. Until recently, halon 1301 (bromo-tri-fluoro methane, CF3Br) has been the primary fire-fighting agent for protecting the machinery spaces of ships. Halon 1301 is not only harmful to humans, but it also depletes the ozone layer. Water-mist fire suppression systems (WMFSS) have been considered as a potential candidate for the replacement of halon-based fire suppression systems by fire protection industries. WMFSS is already being used in commercial buildings, passenger and naval ships, etc. However, it is essential to examine the efficacy of water-mist droplets in suppressing fires. The efficacy of a water-mist system can be investigated in two ways: (i) experimental investigation; and (ii) numerical analysis. This study is a combination of an experimental study (water mist spray without fire) and two types of numerical studies using (a) semi-empirical equations based model developed in this study; and (b) a state of the art computational fluids dynamics (CFD) based fire model.

Item Type: Thesis (PhD thesis)
Uncontrolled Keywords: ships, fire extinguishing, water droplets, spray, evaporation, spray distribution, FDS, fire dynamic simulator, PMMA, polymethyl methacrylate fires, thermally driven flow, flux densities, growth of fires, mathematical models, modelling
Subjects: FOR Classification > 0105 Mathematical Physics
FOR Classification > 0306 Physical Chemistry (incl. Structural)
FOR Classification > 0915 Interdisciplinary Engineering
Faculty/School/Research Centre/Department > College of Science and Engineering
Depositing User: VU Library
Date Deposited: 19 Jul 2016 03:08
Last Modified: 19 Jul 2016 03:08
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