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Airbag Emissions: The Quantification of Gases, Dust and Acoustics in Practice

机译:安全气囊排放:实践中气体,灰尘和声学的量化

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摘要

The emissions of restraint systems - gases, dust, and acoustics - are quantified in the industry using widely accepted methods like AKZV01, SAEJ1794, or USCAR. This report shows some background of the used analytic methods and comments the given narrow specifications based on 8 years experience of emission tests.We use pyrotechnical buckle pretensioners (PBP's) of one single lot as a probe for the evaluation of the different influences on the results. Nitrogen oxide is chosen as a key gaseous component and we demonstrate the influences of the experimental set up, humidity and pressure, on the resulting concentration. For dust analysis two methods are compared: Andersen-lmpactor and Laser-Particle-Counter. The acoustic emissions are compared between car and chamber results.
机译:约束系统的排放-气体,灰尘和声音-在行业中使用AKZV01,SAEJ1794或USCAR等广泛接受的方法进行量化。本报告显示了使用的分析方法的一些背景,并基于8年的排放测试经验对给定的狭窄规格进行了评论。我们使用单个批次的烟火式搭扣预紧器(PBP)作为评估不同对结果影响的探针。选择氮氧化物作为关键气体成分,我们证明了实验装置,湿度和压力对所得浓度的影响。对于粉尘分析,比较了两种方法:Andersen-lmpactor和Laser-Particle-Counter。比较汽车和房间结果之间的声发射。

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