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Laboratory fire experiments with a 1/3 train carriage mockup
Mälardalen University, School of Business, Society and Engineering. SP Brandteknik. (MERO)ORCID iD: 0000-0001-6758-6067
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2012 (English)Report (Other academic)
Abstract [en]

A total of six fire tests were conducted in a mock-up of a subway carriage that is about 1/3 of a full wagon length. They were carried out under a large scale calorimeter in a laboratory environment. The aim of the tests was to investigate the initial fire growth in a corner scenario using different types of ignition sources that could lead to a flashover situation. The ignition sources used were either a wood crib placed on a corner seat or one liter of petrol poured on the corner seat and the neighboring floor together with a backpack. The amount of luggage and wood cribs in the neighborhood of the ignition source was continuously increased in order to identify the limits for flashover in the test-setup. The tests showed that the combustible boards on parts of the walls had a significant effect on the fire spread. In the cases where the initial fire did not exceed a range of 400 – 600 kW no flashover was observed. If the initial fire grew up to 700 – 900 kW a flashover was observed. The maximum heat release rate during a short flashover period for this test set-up was about 3.5 MW. The time to reach flashover was highly dependent on the ignition type, wood cribs or backpack and petrol.

Place, publisher, year, edition, pages
Borås: SP Technical Research Institute of Sweden , 2012. , 73 p.
Series
SP Report, ISSN 0284-5172 ; 2012:06
Keyword [en]
metro, fire spread, luggage, commuter train wagon
National Category
Engineering and Technology
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-22842ISBN: 978-91-87017-23-0 (print)OAI: oai:DiVA.org:mdh-22842DiVA: diva2:664636
Available from: 2013-11-15 Created: 2013-11-15 Last updated: 2015-08-17Bibliographically approved

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Lönnermark, AndersIngason, HaukurKumm, Mia
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf