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Laboratory fire experiments with a 1/3 train carriage mockup
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik. SP Brandteknik. (MERO)ORCID-id: 0000-0001-6758-6067
Vise andre og tillknytning
2012 (engelsk)Rapport (Annet vitenskapelig)
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.

sted, utgiver, år, opplag, sider
Borås: SP Technical Research Institute of Sweden , 2012. , s. 73
Serie
SP Report, ISSN 0284-5172 ; 2012:06
Emneord [en]
metro, fire spread, luggage, commuter train wagon
HSV kategori
Forskningsprogram
energi- och miljöteknik
Identifikatorer
URN: urn:nbn:se:mdh:diva-22842ISBN: 978-91-87017-23-0 (tryckt)OAI: oai:DiVA.org:mdh-22842DiVA, id: diva2:664636
Tilgjengelig fra: 2013-11-15 Laget: 2013-11-15 Sist oppdatert: 2015-08-17bibliografisk kontrollert

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