Linteris, G.
(2011),
Unwanted Combustion Enhancement by Potential Halon Replacements: Thermodynamic Considerations, Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907137
(Accessed December 10, 2024)
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Unwanted Combustion Enhancement by Potential Halon Replacements: Thermodynamic Considerations
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Author(s)
Abstract
It is desirable to replace Halon 1301, CF3Br, as the fire suppressant used in cargo bay fire suppression. Unfortunately, some candidate agents for replacing Halon 1301, in particular C2HF5, C3H2F3Br, C6F12O, were found to create greater pressure rise in an Federal Aviation Administration (FAA) qualification test simulating an exploding aerosol can, and hence failed the test. The present work describes the thermodynamic behavior of C2HF5, C3H2F3Br, and Halon 1301 in the FAA aerosol can test when added at varying concentrations. The pressure rise in previously published FAA experiments are predicted, and the reasons for the overpressure are discussed.Citation
Technical Note (NIST TN) - 1693
Report Number
1693
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
Fire Suppression, Flame Inhibition, CF3Br, HFC-125, Halon Replacements, Cargo-Bay Fire Suppression
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Created March 1, 2011, Updated February 19, 2017