The persistence of burning of textiles in different oxygen environments and the determination of the extinction oxygen index

Horrocks, Richard ORCID: 0000-0003-1431-058X and Ugras, M. (1983) The persistence of burning of textiles in different oxygen environments and the determination of the extinction oxygen index. Fire and Materials, 7 (3). pp. 111-118. ISSN 0308-0501

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Official URL: https://onlinelibrary.wiley.com/journal/10991018

Abstract

The influence that oxygen has on the burning behaviour of cotton single‐ and multilayered fabries has been determined by recording persistence of burning times as a function of oxygen concentration. For a given fabric subjected to a specified igniter application time, an extinction oxygen index parameter, EOI, may be determined. EOI is defined as the oxygen concentration expressed as a volume fraction in an oxygen‐nitrogen mixture, necessary to give a persistence of burning time equal to zero. For a given fabric, EOI is found to decrease as the igniter application time increases and two limiting EOI values may be observed, one corresponding to zero inginter application conditions and one for igniter application times greater than 10 s. At any given ignition time, the extinction oxygen index increases linearly with fabric area density and decreases linearly with the logarithm of the respective air permeability. Similar results are observed for nylon 6.6 and polyester single‐ and multilayered fabrics. The validity of the extinction oxygen index is discussed with reference to other published works.

Item Type: Article
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 09 Aug 2018 11:42
Last Modified: 09 Aug 2018 11:42
Identification Number: 10.1002/fam.810070303
URI: http://ubir.bolton.ac.uk/id/eprint/1837

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