Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion

This paper presents the development and validation of a two-zone model to predict fire development in a compartment. The model includes the effects of the ceiling jet on the convective heat transfer to enclosure walls and, unlike existing models, a new concept of surrogate fuel molecule (SFM) to mod...

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Bibliographic Details
Main Authors: Dizet, N. (Author), Louiche, J. (Author), Mense, M. (Author), Pizzo, Y. (Author), Porterie, B. (Author), Porterie, T. (Author), Pouschat, P. (Author), Sardoy, N. (Author)
Format: Article
Language:English
Published: MDPI 2022
Subjects:
Online Access:View Fulltext in Publisher
LEADER 02292nam a2200289Ia 4500
001 10.3390-app12083951
008 220510s2022 CNT 000 0 und d
020 |a 20763417 (ISSN) 
245 1 0 |a Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion 
260 0 |b MDPI  |c 2022 
856 |z View Fulltext in Publisher  |u https://doi.org/10.3390/app12083951 
520 3 |a This paper presents the development and validation of a two-zone model to predict fire development in a compartment. The model includes the effects of the ceiling jet on the convective heat transfer to enclosure walls and, unlike existing models, a new concept of surrogate fuel molecule (SFM) to model multi-fuel combustion, and a momentum equation to accurately track the displacement of the smoke layer interface over time. The paper presents a series of full-scale fire experiments conducted in the IUSTI fire laboratory, involving different combinations of solid and liquid fuels, and varying the compartment confinement level. The model results are compared to the experimental data. It was found that for all fire scenarios, the experimental trends are well reproduced by the model. The SFM concept predicts oxygen and carbon dioxide concentrations in the extracted smoke to within a few percent of the measurements, which is a good agreement considering the sensitivity of the model to chemical formulas and combustion properties of fuels. Comparison with other measurements, namely average gas and wall temperatures, is also good. For the large fires reported in this study, the impact of the ceiling jet leads to a slight underestimation of wall temperatures, while the model gives conservative estimates for small fires. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. 
650 0 4 |a fire safety 
650 0 4 |a full-scale fire experiments 
650 0 4 |a multi-fuel combustion 
650 0 4 |a surrogate fuel molecule 
650 0 4 |a two-zone model 
650 0 4 |a validation 
700 1 |a Dizet, N.  |e author 
700 1 |a Louiche, J.  |e author 
700 1 |a Mense, M.  |e author 
700 1 |a Pizzo, Y.  |e author 
700 1 |a Porterie, B.  |e author 
700 1 |a Porterie, T.  |e author 
700 1 |a Pouschat, P.  |e author 
700 1 |a Sardoy, N.  |e author 
773 |t Applied Sciences (Switzerland)