A Review of water mist fire suppression systems - fundamental studies

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DOIResolve DOI: http://doi.org/10.1177/104239159901000303
AuthorSearch for: ; Search for:
TypeArticle
Journal titleJournal of Fire Protection Engineering
Volume10
Issue3
Pages3250; # of pages: 19
SubjectWater mist
AbstractThe progress on the research and application of water mist systems in fire suppression has been substantial over the last decade. To bring this work into focus, a review has been undertaken to identify future developments and potential efficacy improvements for water mist fire suppression systems. This paper, as a first step, provides a review of the fundamental research in water mist fire suppression systems. This includes a review of extinguishing mechanisms and the factors that influence the performance of water mist, such as spray characteristics, enclosure effects, dynamic mixing, the use of additives and methods of generating water mist. Recent studies on the use of computer modelling for the development of water mist fire suppression systems are also reviewed and discussed. The review shows that the extinguishing mechanisms and the role of spray characteristics in fire suppression have become well understood and identified. Water mist does not behave like a "true" gaseous agent in fire suppression. The effectiveness of a water mist system in fire suppression is dependent on spray characteristics (the distribution of droplet sizes, flux density and spray dynamics) with respect to the fire scenario (shielding of the fuel, fire size and ventilation conditions). Other factors, such as enclosure effect and the dynamic mixing created by the discharge of water mist, also affect the performance of water mist in fire suppression. A combination of experimental and computational modelling studies with validation by fire tests will make the development of water mist systems much more efficient and effective.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number41910
8128
NPARC number20331380
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Record identifierd6c4bdc5-be7c-4e9b-9ec5-805801c49c24
Record created2012-07-18
Record modified2016-05-09
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