Simulation of Thermal Infrared Images from Simulated Fire Scenes

We summarize here the current development of a simulation strategy aiming at creating a 3D virtual fire lab that can model radiative transfer in simulated fire scenes, and render images in the infrared spectrum. While the end objective is to simulate open landscape scale vegetation fires to help imp...

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Veröffentlicht in:Journal of physics. Conference series Jg. 2885; H. 1; S. 12074 - 12079
Hauptverfasser: Paugam, Ronan, Bordbar, Hadi, Àgueda, Alba, Regaieg, Omar, Chavanon, Eric, Lauret, Nicolas, Gastellu-Etchegorry, Jean-Philippe, Wooster, Martin
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Bristol IOP Publishing 01.11.2024
Schlagworte:
Infrared imagery
Infrared spectra
Radiative transfer
Spectral resolution
Thermal simulation
Virtual reality
ISSN:1742-6588, 1742-6596
Online-Zugang:Volltext
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Zusammenfassung:We summarize here the current development of a simulation strategy aiming at creating a 3D virtual fire lab that can model radiative transfer in simulated fire scenes, and render images in the infrared spectrum. While the end objective is to simulate open landscape scale vegetation fires to help improving fire monitoring Earth Observation products, this work presents a validation exercise performed using a small scale fire scene focusing on flame emission. The fire scene is simulated using the Fire Dynamics Simulator (FDS) model to generate 3D distribution of temperature, soot volume fraction, and CO 2 , CO and H 2 O gases molar fractions. It is then passed to the 3D Discrete Anisotropic Radiative Transfer (DART) model to simulate radiative transfer in multiple infrared bands at a spectral resolution of 0.25 μ m, and render images or intensity spectrum in the infra red spectra that can be compared against direct measurements.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2885/1/012074