Variation of heat release rate with forced longitudinal ventilation for vehicle fires in tunnels

R. O. Carvel, A. N. Beard, P. W. Jowitt, D. D. Drysdale

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Many tunnels are equipped with longitudinal ventilation systems to control smoke in the event of a fire. However, the influence of such ventilation on fire development and fire spread has rarely been considered. This paper presents the results of a study using a Bayesian methodology to estimate the effect of forced longitudinal ventilation on heat release rate (HRR) for fires in tunnels. The behaviour of car and heavy goods vehicle (HGV) fires with a range of forced ventilation velocities is investigated. Results are presented and the implications are discussed. It has been found that forced ventilation has a great enhancing effect on the HRR of HGV fires, but has little effect on the HRR of car fires. © 2001 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)569-596
Number of pages28
JournalFire Safety Journal
Volume36
Issue number6
DOIs
Publication statusPublished - Sep 2001

Keywords

  • Bayesian methods
  • Fire growth
  • Fire size
  • Heat release rates
  • Tunnel fires
  • Ventilation

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