Physics-based modelling of wind-driven junction fires

Article Forestry

Physics-based modelling of junction fires: parametric study

Ahmad Hassan et al.

Summary: This study investigated the behavior and influencing factors of junction fires through numerical modeling and interpretation. The results showed that the junction angle has a significant impact on the spread rate and behavior of the fires, and an increasing slope can exacerbate the acceleration effect. The research findings can be utilized to assess the effects of topographical parameters in extreme fires, which will enhance situational awareness, operational predictions, and firefighter safety.

INTERNATIONAL JOURNAL OF WILDLAND FIRE (2023)

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Article Environmental Sciences

A Study of Two High Intensity Fires across Corsican Shrubland

Jacky Fayad et al.

Summary: This paper reports on two field-scale experimental fires conducted in Corsica, focusing on a specific mountain shrubland. The experiments aimed to study the behavior of high intensity fires, including their propagation conditions, geometry of the fire front, and impact on various targets. UAV cameras were used to determine fire spread properties, while heat flux gauges measured its impact. Numerical analysis using the FireStar3D model provided additional insights and showed good agreement with experimental measurements. The results demonstrated the representative nature of these experiments for high intensity fires and the predictive capability of FireStar3D.

ATMOSPHERE (2023)

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Article Forestry

Quantifying merging fire behaviour phenomena using unmanned aerial vehicle technology

Alexander Filkov et al.

Summary: This study aimed to develop a method to quantify fire behaviour at the field scale, and found that the rate of spread of junction fire fronts was at least 60% higher than head fire fronts. Additionally, 38% of junction fire fronts showed increased rate of spread at the final stage of the merging process.

INTERNATIONAL JOURNAL OF WILDLAND FIRE (2021)

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Article Thermodynamics