Predicting the heat release rates of liquid pool fires in mechanically ventilated compartments

Topi Sikanen, Simo Hostikka

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

In this paper we perform predictive simulations of liquid pool fires in mechanically ventilated compartments. We show that steady state burning rates are accurately predicted using a detailed model for the liquid phase heat transfer. The effect of lowered oxygen vitiation on the burning rate of pool fires is correctly captured. Simulations were done using the Fire Dynamics Simulator and the experiments considered were conducted in the OECD PRISME project. The main difference between the present study and previous simulation studies is the use of a detailed liquid evaporation model and the direct calculation of the vitiation and thermal environment interactions through the CFD solver.
Original languageEnglish
Pages (from-to)266-275
Number of pages10
JournalFire Safety Journal
Volume91
DOIs
Publication statusPublished - 1 Jul 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

compartments
burning rate
Fires
heat
Liquids
liquids
thermal environments
simulation
charge flow devices
simulators
Computational fluid dynamics
Evaporation
liquid phases
Simulators
heat transfer
evaporation
Oxygen
Heat transfer
oxygen
Hot Temperature

Keywords

  • pool fire
  • compartment fires
  • industrial fires
  • modelling

Cite this

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title = "Predicting the heat release rates of liquid pool fires in mechanically ventilated compartments",
abstract = "In this paper we perform predictive simulations of liquid pool fires in mechanically ventilated compartments. We show that steady state burning rates are accurately predicted using a detailed model for the liquid phase heat transfer. The effect of lowered oxygen vitiation on the burning rate of pool fires is correctly captured. Simulations were done using the Fire Dynamics Simulator and the experiments considered were conducted in the OECD PRISME project. The main difference between the present study and previous simulation studies is the use of a detailed liquid evaporation model and the direct calculation of the vitiation and thermal environment interactions through the CFD solver.",
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Predicting the heat release rates of liquid pool fires in mechanically ventilated compartments. / Sikanen, Topi; Hostikka, Simo.

In: Fire Safety Journal, Vol. 91, 01.07.2017, p. 266-275.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Predicting the heat release rates of liquid pool fires in mechanically ventilated compartments

AU - Sikanen, Topi

AU - Hostikka, Simo

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PY - 2017/7/1

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N2 - In this paper we perform predictive simulations of liquid pool fires in mechanically ventilated compartments. We show that steady state burning rates are accurately predicted using a detailed model for the liquid phase heat transfer. The effect of lowered oxygen vitiation on the burning rate of pool fires is correctly captured. Simulations were done using the Fire Dynamics Simulator and the experiments considered were conducted in the OECD PRISME project. The main difference between the present study and previous simulation studies is the use of a detailed liquid evaporation model and the direct calculation of the vitiation and thermal environment interactions through the CFD solver.

AB - In this paper we perform predictive simulations of liquid pool fires in mechanically ventilated compartments. We show that steady state burning rates are accurately predicted using a detailed model for the liquid phase heat transfer. The effect of lowered oxygen vitiation on the burning rate of pool fires is correctly captured. Simulations were done using the Fire Dynamics Simulator and the experiments considered were conducted in the OECD PRISME project. The main difference between the present study and previous simulation studies is the use of a detailed liquid evaporation model and the direct calculation of the vitiation and thermal environment interactions through the CFD solver.

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