Factors affecting tunnel fire size

Alan N. Beard, Richard O. Carvel, Paul W. Jowitt

Research output: Contribution to journalArticle

Abstract

The heat release rate (HRR) of a fire in a tunnel is a crucial factor, both in terms of fire spread and smoke production. Key factors which influence the HRR are: 1) the nature of the burning item; 2) the tunnel geometry; and 3) the ventilation conditions. This article reports on work which has been undertaken over a number of years to model the dependente of HRR on these factors; the work is continuing. Specifically, Bayesian probabilistic models have been devised to model the dependence of the HRR of a fire on tunnel geometry and longitudinal forced ventilation and a deterministic model has been devised to model fire spread from one item to another in a tunnel similar to the Channel Tunnel; again with longitudinal ventilation. Key interim results are presented. © 2003, Baywood Publishing Co., Inc.

Original languageEnglish
Pages (from-to)41-52
Number of pages12
JournalJournal of Applied Fire Science
Volume11
Issue number1
DOIs
Publication statusPublished - 2002

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