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Developing an artificial intelligent model for predicting combustion and flammability properties
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China.
Department of Petroleum and Natural Gas Engineering, School of Petroleum Studies, University of Mines and Technology, Tarkwa, Ghana.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-7140-4737
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2022 (English)In: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018, Vol. 46, no 5, p. 830-842Article in journal (Refereed) Published
Abstract [en]

While there have been various attempts in establishing a model that can predict the flammability characteristics of polymers based on their molecular structure, artificial intelligence (AI) presents a promising alternative in tackling this pressing issue. Therefore, a novel approach of adopting AI methods, extreme learning machines (ELMs) and group method of data handling (GMDH) in estimating heat release capacity, total heat release and char yield from thermophysical properties of polymers were addressed. GMDH showed a clear indication of overfitting whereby the models generated excellent training results but could not provide similar performance during testing. The superior generalisation performance of ELM during testing makes it the standout method. ELM produced HRC predictions having R and RRMSE of 0.86 and 0.405 for training, 0.94 and 0.356 for testing. For THR estimates from ELM, the R and RRMSE scores were 0.9 and 0.195 for training, 0.93 and 0.131 for testing. While char yield ELM model generated 0.88 and 0.795 for training, 0.93 and 0.383 for testing. The potential of ELM was demonstrated as it estimated the flammability parameters of 105 polymers having little or no empirical test results.

Place, publisher, year, edition, pages
John Wiley & Sons, 2022. Vol. 46, no 5, p. 830-842
Keywords [en]
ELM, flammability, GMDH, microscale combustion calorimeter, thermophysical properties
National Category
Energy Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-87236DOI: 10.1002/fam.3030ISI: 000697151600001Scopus ID: 2-s2.0-85115116469OAI: oai:DiVA.org:ltu-87236DiVA, id: diva2:1597639
Note

Validerad;2022;Nivå 2;2022-08-19 (hanlid);

Forskningsfinansiär: National Natural Science Foundation of China (51776098), NSFC, STINT (51911530151, CH2018-7733)

Available from: 2021-09-27 Created: 2021-09-27 Last updated: 2022-10-27Bibliographically approved

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Försth, MichaelDas, Oisik

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