A comparison of the fire suppression performance of compressed-air foam and foam-water sprinkler systems for Class B. hazards

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DOIResolve DOI: http://doi.org/10.4224/20377182
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TypeTechnical Report
Series titleResearch Report (National Research Council Canada. Institute for Research in Construction); no. RR-146
Physical description35 p.
SubjectSprinklers; Compressed air foam
AbstractFixed pipe compressed-air foam (CAF) systems have been developed over the past decade through a research collaboration between the National Research Council of Canada (NRCC) and the Department of National Defence. Prototype CAF systems have demonstrated, through full-scale testing [1-3], their superior fire suppression performance for controlling and extinguishing fires for a number of hazards, including flammable liquids. To date, however, no detailed comparison testing with other similar fire suppression systems for flammable liquids has been undertaken.Fixed pipe CAF systems represent a major innovation in fire suppression technology. By injecting air into a foam-water stream in a mixing chamber, a significantly superior foam is produced primarily as a result of uniform, small bubble sizes. That foam is transported through a piping system to rotary nozzles which distribute foam over a prescribed area. There are currently no specific fire suppression performance or installation standards for CAF systems; thus, to assess the new technology for potential applications, comparisons must be made using existing standards for similar fire suppression systems.
Publication date
PublisherNational Research Council Canada. Institute for Research in Construction
AffiliationNational Research Council Canada; NRC Institute for Research in Construction
Peer reviewedNo
NRC numberNRC-IRC-16042
NPARC number20377182
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Record identifierb6772331-7a63-4d50-946e-9dc8103de5a7
Record created2012-07-24
Record modified2017-06-06
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