Numerical simulations of laminar burning velocities of a major volatile organic compound involved in accelerating forest fires

Renane, R.; Chetehouna, Khaled; Séro-Guillaume, O.; Nour, Abdelkader; Rudz, Steve

doi:10.1016/j.applthermaleng.2012.10.014

Cited by 8 publications

(2 citation statements)

References 33 publications

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“…Obtained flame speeds were compared to rate of spreads of real accidents reported in the literature. 26 Recently, Renane et al 27 computed numerically premixed flame spread of a-pinene using a computational fluid dynamics (CFD) approach by means of Fire Dynamics Simulator code. It is now interesting to study the BVOC emission concentrations at field scale in order to verify whether the emitted compounds mixed with air can form a flammable mixture.…”

Section: Introductionmentioning

confidence: 99%

Flammability limits of biogenic volatile organic compounds emitted by fire-heated vegetation (Rosmarinus officinalis) and their potential link with accelerating forest fires in canyons: A Froude-scaling approach

Chetehouna

Courty

Garo

et al. 2013

Journal of Fire Sciences

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The accelerating forest fire phenomenon for two real accidents is studied. This phenomenon is investigated using the thermochemical hypothesis, based on the ignition of a biogenic volatile organic compounds cloud accumulated in canyons. By heating a Rosmarinus officinalis plant in a specific hermetic enclosure, a mixture of 14 biogenic volatile organic compounds is identified and their mass fractions determined as temperature functions. The theoretical flammability limits of those components are calculated by means of empirical correlations. Froude-scaling law is applied to laboratory emission results to find the concentrations of biogenic volatile organic compounds at field scale. The comparison of the flammability limits with the calculated concentrations at real scale using this changing-scale analysis shows that the emitted biogenic volatile organic compounds can lead to an accelerating forest fire.

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Section: Introductionmentioning

confidence: 99%

Flammability limits of biogenic volatile organic compounds emitted by fire-heated vegetation (Rosmarinus officinalis) and their potential link with accelerating forest fires in canyons: A Froude-scaling approach

Chetehouna

Courty

Garo

et al. 2013

Journal of Fire Sciences

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“…For example, in [41], the propagation of a surface forest fire in the Brazil Amazon was investigated using physics-based computer modeling. In [42], an approach was developed for studying eruptive or accelerating forest fires. In [43], fire safety rules were developed to simulate the propagation of forest fires by modeling large eddies (LES) and a given height.…”

Section: Introductionmentioning

confidence: 99%

Parallel Implementation of the Algorithm to Compute Forest Fire Impact on Infrastructure Facilities of JSC Russian Railways

2021

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Forest fires have a negative impact on the economy in a number of regions, especially in Wildland Urban Interface (WUI) areas. An important link in the fight against fires in WUI areas is the development of information and computer systems for predicting the fire safety of infrastructural facilities of Russian Railways. In this work, a numerical study of heat transfer processes in the enclosing structure of a wooden building near the forest fire front was carried out using the technology of parallel computing. The novelty of the development is explained by the creation of its own program code, which is planned to be put into operation either in the Information System for Remote Monitoring of Forest Fires ISDM-Rosleskhoz, or in the information and computing system of JSC Russian Railways. In the Russian Federation, it is forbidden to use foreign systems in the security services of industrial facilities. The implementation of the deterministic model of heat transfer in the enclosing structure with the complexity of the algorithm O (2N2 + 2K) is presented. The program is implemented in Python 3.x using the NumPy and Concurrent libraries. Calculations were carried out on a multiprocessor cluster in the Sirius University of Science and Technology. The results of calculations and the acceleration coefficient for operating modes for 1, 2, 4, 8, 16, 32, 48 and 64 processes are presented. The developed algorithm can be applied to assess the fire safety of infrastructure facilities of Russian Railways. The main merit of the new development should be noted, which is explained by the ability to use large computational domains with a large number of computational grid nodes in space and time. The use of caching intermediate data in files made it possible to distribute a large number of computational nodes among the processors of a computing multiprocessor system. However, one should also note a drawback; namely, a decrease in the acceleration of computational operations with a large number of involved nodes of a multiprocessor computing system, which is explained by the write and read cycles in cache files.

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Modelling of methanol and H2/CO bluff-body flames using RANS based turbulence models with conditional moment closure model

Roy

Sreedhara

2016

Applied Thermal Engineering

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Numerical simulations of laminar burning velocities of a major volatile organic compound involved in accelerating forest fires

Cited by 8 publications

References 33 publications

Flammability limits of biogenic volatile organic compounds emitted by fire-heated vegetation (Rosmarinus officinalis) and their potential link with accelerating forest fires in canyons: A Froude-scaling approach

Flammability limits of biogenic volatile organic compounds emitted by fire-heated vegetation (Rosmarinus officinalis) and their potential link with accelerating forest fires in canyons: A Froude-scaling approach

Parallel Implementation of the Algorithm to Compute Forest Fire Impact on Infrastructure Facilities of JSC Russian Railways

Modelling of methanol and H2/CO bluff-body flames using RANS based turbulence models with conditional moment closure model

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