Utilising genetic algorithm to optimise pyrolysis kinetics for fire modelling and characterisation of chitosan/graphene oxide polyurethane composites
A fire assessment model has been developed to provide a better understanding of the flame propagation, toxic gases and smoke generations of polymer composites. In this study, the effectiveness of the Chitosan/Graphene Oxide layer-by-layer fire retardant coating on flexible polyurethane foam was inve...
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Published in | Composites. Part B, Engineering Vol. 182; p. 107619 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier Ltd
01.02.2020
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Subjects | |
Online Access | Get full text |
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Summary: | A fire assessment model has been developed to provide a better understanding of the flame propagation, toxic gases and smoke generations of polymer composites. In this study, the effectiveness of the Chitosan/Graphene Oxide layer-by-layer fire retardant coating on flexible polyurethane foam was investigated experimentally and numerically via Cone Calorimetry. To generate quality pyrolysis kinetics to enhance the accuracy of the model, a systematic framework to extract TGA data is proposed involving the Kissinger–Akahira–Sunose method followed by Genetic Algorithm, with less than 5% of RMS error against experimental data. The proposed fire model is capable of predicting and visualising fire development and emitting gas volatiles.
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•Porous media surface regression pyrolysis model incorporating detailed chemistry.•Advanced numerical genetic searching algorithm for pyrolysis kinetics extraction.•Layer-by-layer assembly approach for fabrication of FPU/GO/CHT composites.•Visualisation and prediction of flammability, toxicity and smoke reductions. |
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ISSN: | 1359-8368 1879-1069 |
DOI: | 10.1016/j.compositesb.2019.107619 |