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Parametric study of design fires for tunnels with water-based fire suppression systems
RISE Research Institutes of Sweden, Safety and Transport, Safety Research.ORCID iD: 0000-0001-7744-2390
RISE Research Institutes of Sweden, Safety and Transport, Safety Research.ORCID iD: 0000-0002-9340-6768
2021 (English)In: Fire safety journal, ISSN 0379-7112, E-ISSN 1873-7226, Vol. 120, article id 103107Article in journal (Refereed) Published
Abstract [en]

A series of tests was carried out to investigate the influence of different parameters on design fires for tunnels with water-based fire suppression systems in a 1:4 scale tunnel. The key parameters tested included fuel load covers, activation time, water density, nozzle type, ventilation velocity, sprinkler section length and tunnel width. Analyses of test data are presented with a focus on the influence of these parameters on the design fire. The main findings are that the fuel load covers, activation time and ventilation velocity all play significant roles in the fire development. Further, suggestions on design fires for tunnels with water-based fire suppression systems are proposed. © 2020 The Authors

Place, publisher, year, edition, pages
Elsevier Ltd , 2021. Vol. 120, article id 103107
Keywords [en]
Activation, Heat release rate, Suppression, Tunnel fire, Ventilation, Chemical activation, Fire extinguishers, Fires, Activation time, Design fires, Fire suppression systems, Nozzle types, Parametric study, Ventilation velocity, Water based, Water density, Tunnels
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-45091DOI: 10.1016/j.firesaf.2020.103107Scopus ID: 2-s2.0-85086035564OAI: oai:DiVA.org:ri-45091DiVA, id: diva2:1449581
Available from: 2020-06-30 Created: 2020-06-30 Last updated: 2023-06-08Bibliographically approved

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Li, Ying ZhenIngason, Haukur

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