Influences of surface material on the fire behaviors of two-layer combustibles under autoignition conditions

Huang, D, Hu, Y, Yu, Y, Yuan, Q, Wang, S, Shen, L and Shi, L 2019, 'Influences of surface material on the fire behaviors of two-layer combustibles under autoignition conditions', Journal of Hazardous Materials, vol. 369, pp. 539-549.


Document type: Journal Article
Collection: Journal Articles

Title Influences of surface material on the fire behaviors of two-layer combustibles under autoignition conditions
Author(s) Huang, D
Hu, Y
Yu, Y
Yuan, Q
Wang, S
Shen, L
Shi, L
Year 2019
Journal name Journal of Hazardous Materials
Volume number 369
Start page 539
End page 549
Total pages 11
Publisher Elsevier BV
Abstract Upholstered furniture usually has a typical two-layer structure with an ultra-thin surface layer. The surface layer can significantly affect the overall fire behaviors of the upholstered furniture. A series of experiments were carried out to investigate the fire behaviors of six two-layer combustibles based on a cone calorimeter. An empirical model was proposed to predict the heat release rate of two-layer combustibles. The predictions of the model are fitting quite well with experimental data. It was also known that the ignition time of the two-layer combustibles is controlled by those surface fabric materials. The shrink rate and the properties of the residues of those surface fabrics show obvious influences on the combustion processes. Comparing to those uncovered natural latex foam samples, it was known that the peak heat release rate decreases about 26.9% and 11.7% for the samples with natural and synthetic species covers, respectively; and the duration of the burning process increases about 41.7% and 15.4%, respectively. A combustion factor was proposed and a heat transfer model was developed to reflect the contribution of the surface and the second layers to the combustion processes. The combustion factor is within 0.7-0.9 for the six types of surface fabrics.
Subject Construction Engineering
Keyword(s) Two-layer combustibles
Fire behavior
Natural latex foamheat release ratemass loss
Heat release rate
Mass loss
DOI - identifier 10.1016/j.jhazmat.2019.02.065
Copyright notice © 2019 Elsevier B.V. All rights reserved.
ISSN 0304-3894
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