锥形量热计中聚氯乙烯基地板覆盖物热分解参数的表征

IF 1.9 4区 工程技术 Q2 ENGINEERING, MULTIDISCIPLINARY
J. Luche, T. Rogaume, É. Guillaume
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引用次数: 1

摘要

在ISO 5660锥形热量计中,将热通量应用于聚氯乙烯基地板覆盖物,以表征其对热分解参数以及燃烧过程中排放的物质浓度的影响。对气体浓度进行了量化,以确定火灾行为和分解化学性质。因此,在所有考虑的热通量下,都会遇到浓度和排放产率高的一氧化碳、二氧化碳、水、氯化氢和氧气。此外,观察到一氧化碳、二氧化硫、氰化氢和轻质碳氢化合物的浓度和排放量都很低。其他物种可以被认为是可以忽略的,因为在所有研究的热通量下,它们的浓度都接近于零。此外,使用耗氧量法,还计算了每个辐照度水平的热释放率、总热释放和有效燃烧热,并与文献中的数据进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterization of polyvinyl chloride–based floor covering thermal decomposition parameters in a cone calorimeter
In an ISO 5660 Cone Calorimeter, heat fluxes were applied to a polyvinyl chloride–based floor covering to characterize their influence on the thermal decomposition parameters as well as on the concentrations of species emitted during the combustion process. Gas concentrations were quantified for identifying the fire behaviour and the decomposition chemistry. Thus, carbon monoxide, carbon dioxide, water, hydrogen chloride and oxygen with concentrations and emission yields of high consistency were encountered at all heat fluxes considered. Moreover, nitrogen monoxide, sulphur dioxide, hydrogen cyanide and lightweight hydrocarbons were observed with low concentrations and emission yields. Other species can be considered as negligible due to their concentrations close to zero at all heat fluxes studied. Furthermore, using the oxygen consumption method, heat release rate, total heat release and effective heat of combustion were also calculated for each irradiance level and were compared with data found in the literature.
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来源期刊
Journal of Fire Sciences
Journal of Fire Sciences 工程技术-材料科学:综合
CiteScore
4.00
自引率
0.00%
发文量
14
审稿时长
2.5 months
期刊介绍: The Journal of Fire Sciences is a leading journal for the reporting of significant fundamental and applied research that brings understanding of fire chemistry and fire physics to fire safety. Its content is aimed toward the prevention and mitigation of the adverse effects of fires involving combustible materials, as well as development of new tools to better address fire safety needs. The Journal of Fire Sciences covers experimental or theoretical studies of fire initiation and growth, flame retardant chemistry, fire physics relative to material behavior, fire containment, fire threat to people and the environment and fire safety engineering. This journal is a member of the Committee on Publication Ethics (COPE).
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