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Influence of fire suppression on combustion products in tunnel fires
RISE - Research Institutes of Sweden, Safety and Transport, Safety.
RISE - Research Institutes of Sweden, Safety and Transport, Safety.
2017 (English)In: Fire safety journal, ISSN 0379-7112, E-ISSN 1873-7226Article in journal (Refereed) In press
Abstract [en]

A series of model scale tunnel fire tests was carried out to investigate effects of the fire suppression system on production of key combustion products including CO and soot. The key parameters accounted for in the tests include fuel type, ventilation velocity and activation time. The results show that fire suppression indeed has influence on production of combustion products especially for cellulose fuels. In case that the fire is not effectively suppressed, e.g. when the water density is too low or activation is too late, the CO concentration and visibility could be worse than in the free-burn test. From the point of view of production of combustion products, only fire suppression systems with sufficient capability and early activation are recommended to be used in tunnels.

Place, publisher, year, edition, pages
2017.
Keyword [en]
Activation, CO yield, FED, Fire suppression, Soot yield, Tunnel fire, Ventilation, Visibility, Chemical activation, Combustion, Fire extinguishers, Flammability testing, Soot, CO concentrations, Combustion products, Fire suppression systems, Investigate effects, Model scale tunnels, Tunnel fires, Ventilation velocity, Fires
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Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-31173DOI: 10.1016/j.firesaf.2017.06.011Scopus ID: 2-s2.0-85024494074OAI: oai:DiVA.org:ri-31173DiVA, id: diva2:1135611
Available from: 2017-08-23 Created: 2017-08-23 Last updated: 2017-08-23Bibliographically approved

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