Elevated temperature thermal properties of advanced materials used in LSF systems
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Description
Lightweight cold-formed steel (CFS) construction solutions are increasingly adopted in low and mid-rise buildings. Many different materials are used to construct CFS wall systems, without a full understanding of their thermal properties. For many of these materials, only ambient temperature thermal properties are available from their manufacturers. This creates difficulty in classifying the materials for use at elevated temperatures. In this study, a series of elevated temperature thermal property tests to measure specific heat, thermal conductivity, and mass loss was conducted for a range building materials from wallboards, insulation, and phase-change materials (PCMs), used in Australia and several other countries. Simultaneous Thermal Analyser and Laser Flash Apparatus were used to determine the elevated temperature thermal properties of the selected materials, gypsum plasterboard, PCM incorporated gypsum plasterboard, magnesium sulphate board, fibre cement board, cellulose insulation, vacuum insulation panel, microencapsulated paraffin PCM, and bio-based PCM. Their elevated temperature thermal properties are presented in this article, which also includes analyses of their chemical composition and associated chemical reactions at elevated temperatures. These results can be used in the selection of suitable energy-efficient and fire-resistive materials, and in heat transfer modeling to identify wall configurations with increased fire resistance and energy efficiency.
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ID Code: | 200902 | ||||||
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Item Type: | Contribution to Journal (Journal Article) | ||||||
Refereed: | Yes | ||||||
ORCID iD: |
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Additional Information: | Funding information: Australian Research Council, Grant/Award Number: DP160102879; Queensland University of Technology | ||||||
Measurements or Duration: | 17 pages | ||||||
Keywords: | Passive fire protection, Thermal storage, Phase change materials, Thermal properties, Gypsum plasterboard, PCM-plasterboard, Cellulose, Paraffin PCM, Bio-based PCM, Fibre Cement board | ||||||
DOI: | 10.1002/fam.2943 | ||||||
ISSN: | 0308-0501 | ||||||
Pure ID: | 60941388 | ||||||
Divisions: | Current > Research Centres > Centre for Data Science Current > Research Centres > Centre for Materials Science Current > QUT Faculties and Divisions > Faculty of Science Current > QUT Faculties and Divisions > Faculty of Engineering Current > Schools > School of Civil & Environmental Engineering |
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Copyright Owner: | 2021 John Wiley & Sons Ltd | ||||||
Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||||||
Deposited On: | 11 Feb 2021 03:13 | ||||||
Last Modified: | 19 May 2024 18:42 |
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