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Investigation of the flame properties and fire behavior of carbon-reinforced PEKK, BMI and phenolic composites impacted by Jet-A1/air flames
Fire and Materials ( IF 1.9 ) Pub Date : 2023-10-06 , DOI: 10.1002/fam.3179
R. Ogabi 1 , B. Manescau 1 , K. Chetehouna 1 , S. Senave 2
Affiliation  

This paper provides an experimental investigation of a kerosene/air burner (the NexGen burner designed on the FAA's proposed ISO 2685 standard), which is used to generate flame/burnt gases impinging on material samples in the field of fire safety. The purpose of this study is to characterize this burner, and experimental means are implemented to better understand the effects of the equivalence ratio on the spatial distribution of the gas temperature (thermocouples), the heat flux (heat flux gauge), and gas emission species. Hence, the measured flame temperature, heat flux, and heat release rate increase up to a critical value of equivalence ratio equal to 1.03. Furthermore, a pyrolysis test was carried out on composite materials and the results of the comparative analysis of carbon-phenolic, carbon-BMI, and carbon-PEKK materials show that carbon-PEKK had the lowest mass loss, highest back-face temperature without significant material delamination, and the lowest concentration of gas emission species.

中文翻译:

研究受 Jet-A1/空气火焰影响的碳增强 PEKK、BMI 和酚醛复合材料的火焰特性和燃烧行为

本文对煤油/空气燃烧器(根据 FAA 提议的 ISO 2685 标准设计的 NexGen 燃烧器)进行了实验研究,该燃烧器用于在消防安全领域产生冲击材料样品的火焰/燃烧气体。本研究的目的是表征该燃烧器,并采用实验手段更好地了解当量比对气体温度(热电偶)、热通量(热通量计)和气体排放种类的空间分布的影响。因此,测得的火焰温度、热通量和热释放率增加到当量比临界值等于 1.03。此外,还对复合材料进行了热解试验,并对碳-酚醛、碳-BMI、
更新日期:2023-10-08
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