反复清洗对南非豪登省最常用的一种结构性消防战斗服热防护性能的影响

IF 1.9 4区 工程技术 Q2 ENGINEERING, MULTIDISCIPLINARY Journal of Fire Sciences Pub Date : 2024-05-01 DOI:10.1177/07349041241249635
Lucas M Kekana, Joseph KO Asante, Bonex Mwakikunga
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引用次数: 0

摘要

使用锥形量热仪测定了一种最常用的消防防护装备(也称为道岔装备)在热和烟雾危害方面的防火性能,使用热重分析仪测定了热稳定性,使用扫描电子显微镜对其表面进行了物理检查(物理降解),使用能量色散光谱仪测定了用于洗涤的洗涤剂的元素组成以及道岔装备中的残留元素。锥形量热仪的结果表明,热性能参数,即峰值放热率、最大平均放热率和火焰增长率指数的值均随洗涤次数的增加而降低,而烟雾参数,即峰值产烟率、烟雾增长率指数、总烟雾释放量和相关的持续火焰值均随洗涤次数的增加而升高。热重分析仪的测量结果表明,道岔齿轮的热稳定性随着洗涤次数的增加而降低。
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The effect of repeated washings on thermal protective performances of one most used structural firefighting turnout gear in the Gauteng Province in South Africa
Fire performance measurements of one of the most used firefighting protective ensembles (also called turnout gears), in terms of thermal and smoke hazards, were determined with the cone calorimeter, that of thermal stability were determined with thermogravimetric analyzer, the physical inspection (physical degradation) of the surface done with the scanning electron microscopy, and energy dispersive spectroscopy measurements determined the elemental compositions of the detergent used in washing and the residual elements in the turnout gears. The cone calorimeter results indicated that the values of the thermal performance parameters, namely: peak heat release rate, maximum average rate of heat emission, and fire growth rate index, all decrease with increasing number of washing cycles, while the smoke parameters: peak smoke production rate, smoke growth rate index, total smoke release, and related sustained flaming values, all increase with increasing number of washing cycles. From the thermogravimetric analyzer measurements, the thermal stability of the turnout gears decrease with increasing number of washings.
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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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