Titre :

Influence of parameter variation intervals on pyrolysis sensitivity analysis for charring and non-charring materials

Auteur(s) :

Amokrane, Abdenour [Auteur]
Fleurotte, Manon [Auteur]
Hodroj, Ali [Auteur]
Authier, Olivier [Auteur]
Debenest, Gérald [Auteur]
Fontaine, Gaelle [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bourbigot, Serge [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Institut universitaire de France [IUF]

Titre de la revue :

Journal of Fire Sciences

Nom court de la revue :

Journal of Fire Sciences

Numéro :

42

Pagination :

363-404

Éditeur :

SAGE Publications

Date de publication :

2024-05-28

ISSN :

0734-9041

Mot(s)-clé(s) en anglais :

Sensitivity analysis
Pyrolysis
Morris method
Heat release rate
Parameter variation
PMMA
PVC
Cone calorimeter

Discipline(s) HAL :

Chimie/Matériaux
Chimie/Polymères
Physique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]

Résumé en anglais : [en]

This study applies the Morris method for a sensitivity analysis to evaluate the input parameters’ influence on the heat release rate in a pyrolysis model, focusing on two materials, poly(methyl methacrylate) (non-charring) ...
Lire la suite >This study applies the Morris method for a sensitivity analysis to evaluate the input parameters’ influence on the heat release rate in a pyrolysis model, focusing on two materials, poly(methyl methacrylate) (non-charring) and poly(vinyl chloride) (charring), examined under a cone calorimeter. A key aspect of our exploration was the role of input parameter variation intervals on the sensitivity outcomes. We analyzed three interval-setting methods: 1. A standard ±10% deviation from the nominal value, commonly used in the literature. 2. A range determined by the experimental uncertainties for individual parameters. 3. A span from minimum to maximum values found in existing literature for each parameter. Our intensive literature review supported the framing of intervals for the latter two methods. Our findings underscore the critical role of the selected variation interval. Specifically, while a uniform ±10% variation identified activation energies as the primary influencers—consistent with prior literature—the introduction of experimental uncertainties shifted this prominence toward heats of reaction. Thus, the selected interval can drastically reshape the perceived importance of certain parameters. This original work challenges the traditionally employed variation ranges in sensitivity studies, emphasizing the need for a nuanced approach.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
CNRS
INRAE
ENSCL

Collections :

• Unité Matériaux et Transformations (UMET) - UMR 8207

Équipe(s) de recherche :

Ingénierie des Systèmes Polymères

Date de dépôt :

2024-08-30T12:39:13Z
2024-09-04T07:01:21Z