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Erschienen in: Fire Technology 3/2019

01.01.2019

New Insights into the Investigation of Smoke Production Using a Cone Calorimeter

verfasst von: R. Sonnier, H. Vahabi, C. Chivas-Joly

Erschienen in: Fire Technology | Ausgabe 3/2019

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Abstract

Smoke release data from the cone calorimeter are often underused. They may provide additional information to better understand the fire reaction of polymers and the efficiency of flame retardants. A new method is proposed to investigate the smoke release in cone calorimeter tests and to correlate it to heat release, based on studies with pure and flame retarded polymers. Smoke release rate is plotted versus heat release rate and new parameters are pointed out. In particular, parameter A represents the smoke release per unit energy (in Joules) released. Its value increases when the carbon fraction and the aromaticity of a polymer increase. It can reach around 0.05 m2/kJ for epoxy resins but is null for well-known smoke-free polyoxymethylene (POM). HRR threshold (HRRth) represents the critical heat release rate above which smoke release is measured. Its value is close to 100 kW/m2 for polyolefins but decreases drastically for aromatic polymers. The approach developed in this study is potentially useful for assessing the smoke release of different materials for a heat release rate scenario chosen arbitrarily. The influence of two specific smoke suppressants and of two specific flame retardants on smoke release is also discussed and the proposed method allows for a better understanding of their role in smoke release.
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Metadaten
Titel
New Insights into the Investigation of Smoke Production Using a Cone Calorimeter
verfasst von
R. Sonnier
H. Vahabi
C. Chivas-Joly
Publikationsdatum
01.01.2019
Verlag
Springer US
Erschienen in
Fire Technology / Ausgabe 3/2019
Print ISSN: 0015-2684
Elektronische ISSN: 1572-8099
DOI
https://doi.org/10.1007/s10694-018-0806-z

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