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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| Format: | Article |
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MDPI AG
2022-04-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/8/3951 |
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| author | Bernard Porterie Yannick Pizzo Maxime Mense Nicolas Sardoy Julien Louiche Nina Dizet Timothé Porterie Priscilla Pouschat |
| author_facet | Bernard Porterie Yannick Pizzo Maxime Mense Nicolas Sardoy Julien Louiche Nina Dizet Timothé Porterie Priscilla Pouschat |
| author_sort | Bernard Porterie |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-03-09T11:11:38Z |
| format | Article |
| id | doaj.art-04e335293a8e4eea904d67833df8d346 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-09T11:11:38Z |
| publishDate | 2022-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-04e335293a8e4eea904d67833df8d3462023-12-01T00:42:15ZengMDPI AGApplied Sciences2076-34172022-04-01128395110.3390/app12083951Development and Validation of a Zone Fire Model Embedding Multi-Fuel CombustionBernard Porterie0Yannick Pizzo1Maxime Mense2Nicolas Sardoy3Julien Louiche4Nina Dizet5Timothé Porterie6Priscilla Pouschat7University Institute of Industrial Thermal Systems (IUSTI), Aix Marseille University, National Centre for Scientific Research (CNRS), 13013 Marseille, FranceUniversity Institute of Industrial Thermal Systems (IUSTI), Aix Marseille University, National Centre for Scientific Research (CNRS), 13013 Marseille, FranceDélégation Générale de l’Armement–Techniques Navales, 83050 Toulon, FranceDélégation Générale de l’Armement–Techniques Navales, 83050 Toulon, FranceDélégation Générale de l’Armement–Techniques Navales, 83050 Toulon, FranceUniversity Institute of Industrial Thermal Systems (IUSTI), Aix Marseille University, National Centre for Scientific Research (CNRS), 13013 Marseille, FranceInnovation and Development (INNODEV), 13013 Marseille, FranceInnovation and Development (INNODEV), 13013 Marseille, FranceThis 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.https://www.mdpi.com/2076-3417/12/8/3951fire safetytwo-zone modelfull-scale fire experimentsmulti-fuel combustionsurrogate fuel moleculevalidation |
| spellingShingle | Bernard Porterie Yannick Pizzo Maxime Mense Nicolas Sardoy Julien Louiche Nina Dizet Timothé Porterie Priscilla Pouschat Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion Applied Sciences fire safety two-zone model full-scale fire experiments multi-fuel combustion surrogate fuel molecule validation |
| title | Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion |
| title_full | Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion |
| title_fullStr | Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion |
| title_full_unstemmed | Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion |
| title_short | Development and Validation of a Zone Fire Model Embedding Multi-Fuel Combustion |
| title_sort | development and validation of a zone fire model embedding multi fuel combustion |
| topic | fire safety two-zone model full-scale fire experiments multi-fuel combustion surrogate fuel molecule validation |
| url | https://www.mdpi.com/2076-3417/12/8/3951 |
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