Advances in Pool Fire Dynamics

A special issue of Fire (ISSN 2571-6255). This special issue belongs to the section "Fire Risk Assessment and Safety Management in Buildings and Urban Spaces".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 4130

Special Issue Editors


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Guest Editor
Department of Safety Engineering, China University of Petroleum Huadong, Qingdao 266580, China
Interests: fire safety engineering; fire risk analysis

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Guest Editor
National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA
Interests: fire safety science
College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China
Interests: pool fire; burning rate; fire radiation

Special Issue Information

Dear Colleagues,

The understanding of pool fire dynamics presents problems of both fundamental and practical significance. As a fundamental combustion configuration of natural fires, pool fires represent a significant element of the risk associated with major accidents in industrial applications, particularly for oil extraction and refining that may have large liquid hydrocarbon inventories. In fire research, pool fire dynamics have been studied for decades. However, further efforts are needed to accurately assess the thermal hazards of pool fire for practical situations as well as safety in energy utilization.

This Special Issue aims to present state-of-the-art research findings in the field of pool fire dynamics. In this Special Issue, original research articles and reviews describing experimental and modeling results are welcome. Research areas may include (but are not limited to) the following:

  • Burning rate and heat feedback mechanisms;
  • The structure of pool fires, addressing aspects of the thermal, velocity and chemical species fields;
  • Heat and mass transfer processes in pool fires, including the yields of soot and emission radiation to the surroundings;
  • Radiative exchange and optical properties within pool fires;
  • Wind effects on pool fires;
  • Ambient condition effects, including ambient temperature, pressure and humidity;
  • Pool fire dynamics in specialized spaces;
  • Risk assessment of pool fires under various conditions;
  • In situ burning involving floating oil burning on water or ice;
  • Boilover phenomena;
  • Numerical simulations of pool fires;
  • Prediction of pool fire burning with AI technology.

We look forward to receiving your contributions.

Prof. Dr. Depeng Kong
Dr. Anthony Hamins
Dr. Chen Jian
Guest Editors

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Keywords

  • pool fire
  • burning rate
  • heat feedback
  • flame radiation
  • wind
  • ambient pressure
  • boilover
  • in situ burning
  • numerical simulation

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Published Papers (2 papers)

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Research

25 pages, 8699 KiB  
Article
Numerical Simulation of an Isolated N-Heptane Pool Fire
by Manolis Baglatzis, Konstantinos Vasilopoulos, Ioannis Lekakis and Ioannis Sarris
Fire 2024, 7(11), 398; https://doi.org/10.3390/fire7110398 - 31 Oct 2024
Cited by 1 | Viewed by 977
Abstract
Refineries are industrial complexes of great economic importance which are located close to major cities. A pool fire accident that can occur from an oil leak combined with wind can result in disastrous consequences for such an industry. This study investigates the characteristics [...] Read more.
Refineries are industrial complexes of great economic importance which are located close to major cities. A pool fire accident that can occur from an oil leak combined with wind can result in disastrous consequences for such an industry. This study investigates the characteristics of an isolated n-heptane square pool fire of 36 m2 under the influence of a cross wind. The pool fire characteristics are numerically studied using open-source Computational Fluid Dynamics (CFD) software, such as FireFoam (v4.1) and Fire Dynamic Simulator (FDS) (version 6.9.0). The turbulent flow field and the fire characteristics were simulated with the LES Method. The crucial parameters of the pool fire, such as (a) the temperature and velocity fields, (b) the flame length and height, (c) the surface emissive power, and (d) the flame tilt angles, were computed. Comparisons against experimental data for both small and large-area pool fires from the literature were made successfully. The flame tilt angle is shown to correlate very well with the reciprocal of the Richardson number, which was approximated within a multiplication constant to the Froude number. Thus, both the reciprocal Richardson number and Froude number can be used for correlating the flame tilt angle. It is shown that both of these numbers are used to correlate the tilt angle of experimental pool fires with effective diameters from a fraction of a meter to approximately 16 m, and wind speeds up to 7 m/s. The goodness of a linear fit based on the sum of the residual squares is 0.91. Full article
(This article belongs to the Special Issue Advances in Pool Fire Dynamics)
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14 pages, 3582 KiB  
Article
Characterization of Medium-Scale Accidental Releases of LNG
by Paolo Mocellin, Gianmaria Pio, Mattia Carboni, Francesco Pilo, Chiara Vianello and Ernesto Salzano
Fire 2023, 6(7), 257; https://doi.org/10.3390/fire6070257 - 30 Jun 2023
Cited by 1 | Viewed by 2035
Abstract
The need for sustainable energy sources has recently promoted the use of liquefied natural gas (LNG) as a low-carbon fuel. Although economic evaluations indicate the transportation of LNG as a convenient solution for long distances between markets and reservoirs, several concerns are still [...] Read more.
The need for sustainable energy sources has recently promoted the use of liquefied natural gas (LNG) as a low-carbon fuel. Although economic evaluations indicate the transportation of LNG as a convenient solution for long distances between markets and reservoirs, several concerns are still present regarding its safe use and transportation. The preliminary evaluations performed in this work indicate that credible releases deriving from real bunkering operations result in pools having a diameter smaller than 1 m, which has been poorly investigated so far. Hence, an experimental campaign devoted to the characterization of a medium-scale release of LNG was carried out either in the presence or absence of an ignition source. An evaporation rate of 0.005 kg s−1 m−2 was collected for the non-reactive scenario, whereas the measured burning rate was 0.100 kg s−1 m−2. The reduction factor of 20 demonstrates the inaccuracy in the commonly adopted assumption of equality between these values for the LNG pool. Flame morphology was characterized quantitatively and qualitatively, showing a maximum ratio between flame height and flame diameter equal to 2.5 and temperatures up to 1100 K in the proximity of the flame. Full article
(This article belongs to the Special Issue Advances in Pool Fire Dynamics)
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