一款国产民机旅客氧气面罩的防火性能测试
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    摘要:

    旅客氧气面罩作为旅客氧气系统的重要组成部分,是一种常见的为旅客提供应急氧气的分氧装置,随着国产大飞机项目的深入开展,依照国际通用标准研制了一款持续气流旅客氧气面罩。由于旅客氧气面罩在民用飞机上的广泛装备,要求其必须具备优良的防火性能。针对CCAR-25-R4的第25.853条款和附录F第一部分的防火性能要求,对适航条款进行分析,通过对所研制面罩主体部分的硅胶和聚氯乙烯材料进行模拟切块制样,采用CCAR-25-R4附录F第I部分(b)(5)的测试方法对所制备的试样进行水平燃烧试验。结果表明,面罩材料的水平燃烧试验燃烧速率为0,满足CCAR-25-R4附录F第I部分第(a)(1)(iv)条款所规定的水平燃烧试验燃烧速率不得超过64mm/min的要求,研制的旅客氧气面罩防火性能满足适航要求。

    Abstract:

    As an important part of the passenger oxygen system, the passenger oxygen mask is a common oxygen distributing device to provide emergency oxygen for passengers. With the development of domestic large aircraft project, a continuous airflow passenger oxygen mask has been developed according to the international standards. Due to the extensive equipment of passenger oxygen mask in civil aircraft, it is required to have excellent fire performance. According to CCAR-25-R4 Clause 25.853 and Appendix F Part I, the airworthiness clauses were analyzed. The samples of the silica gel and polyvinyl chloride materials of the main part of the designed mask were prepared by simulated cutting, and the horizontal combustion test of the samples was carried out by using the test method in Appendix F Part I (b) (5) of CCAR-25-R4. The results show that the mask material’s test burning rate of horizontal combustion is 0, which meets the requirement of CCAR-25-R4 Appendix F Part I (a) (1) (iv) that the horizontal combustion test burning rate shall not exceed 64 mm/min, and the flame retardancy of the designed passenger oxygen mask meets airworthiness requirements.

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马迪,霍立琴,汤旭,等.一款国产民机旅客氧气面罩的防火性能测试[J].民用飞机设计与研 究,2021(1):111-116MA Di, HUO Liqin, TANG Xu, et al.[J]. Civil Aircraft Design and Research,2021,(1):111-116. ( in Chinese)

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  • 在线发布日期: 2021-04-07
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