进气系统的碳氢化合物捕集器：用于确定其效率的组件测试装置和 SHED 测试程序

IF 2.5 4区地球科学 Q3 ENVIRONMENTAL SCIENCES

Atmosphere Pub Date : 2024-09-17 DOI:10.3390/atmos15091128

Matthias Brunnermeier

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引用次数: 0

摘要

进气系统（AIS）中的碳氢化合物捕集器是控制进气通道蒸发排放的常用方法。目前有几种不同的系统，但没有确定其效率的标准方法。因此，我们开发了碳氢化合物捕集器组件测试平台。为了达到发动机测量中观察到的排放特性，有必要进行一些优化。利用该装置，对四种不同的碳氢化合物捕集器进行了多次测量。测量结果与发动机测量结果基本一致。我们选择了两种不同的碳氢化合物 (HC) 捕集器进行进一步研究。在这些研究中，对排放质量水平的可重复性和相关性进行了调查。此外，还使用点源火焰离子化检测器 (FID) 采样和金属氧化物半导体 (MOS) 传感器测定了空气过滤箱中的碳氢化合物浓度。数据显示与密封外壳排放测定（SHED）试验中测定的排放质量存在相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Hydrocarbon Traps for the Air Intake System: Component Test Rig and SHED Test Procedure for Determining Their Efficiencies

Hydrocarbon traps in the air intake system (AIS) are a common method for controlling evaporative emissions from the air intake path. Several different systems are available, but there is no standard method for determining their efficiencies. Therefore, a component test rig for hydrocarbon traps was developed. Some optimizations were necessary to achieve emission characteristics observed in engine measurements. Using this setup, several measurements were performed on four different hydrocarbon traps. The results were in reasonable agreement with those from engine measurements. Two different hydrocarbon (HC) traps were selected for further studies. In these studies, the repeatability and the dependency of the emission mass level were investigated. Furthermore, the hydrocarbon concentration in the air filter box was determined using point source flame ionization detector (FID) sampling and a metal oxide semiconductor (MOS) sensor. The data showed a correlation with the emission mass determined in a sealed housing emission determination (SHED) test.

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来源期刊

Atmosphere METEOROLOGY & ATMOSPHERIC SCIENCES-

CiteScore

4.60

自引率

13.80%

发文量

1769

审稿时长

1 months

期刊介绍： Atmosphere (ISSN 2073-4433) is an international and cross-disciplinary scholarly journal of scientific studies related to the atmosphere. It publishes reviews, regular research papers, communications and short notes, and there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles.