Journal
FIRE SAFETY JOURNAL
Volume 45, Issue 6-8, Pages 371-384Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.firesaf.2010.07.004
Keywords
Model scale; Tunnel fire; Longitudinal ventilation; Heat release rate
Funding
- Swedish Fire Research Board (BRANDFORSK)
- SP Tunnel and Underground Safety Centre
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Results from a series of tests in a model tunnel (1:23) are presented. Tests were carried out with longitudinal ventilation under different fire conditions. Wood cribs were used to simulate the fire source, which was designed to correspond to a scaled-down HGV (Heavy Goods Vehicle) fire load. The parameters tested were: the number of wood cribs, type of wood cribs, the longitudinal ventilation rate and the ceiling height. The heat release rate, fire growth rate, maximum gas temperature beneath the ceiling, temperature distribution, total heat flux at floor level, flame length, and back-layering length were investigated. Correlations for these parameters were investigated and proposed for longitudinal flow in tunnels. (C) 2010 Elsevier Ltd. All rights reserved.
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