Within the framework of the European ARTEMIS project, the emission of non regulated compounds were measured on new technology passenger cars. A sample of passenger cars were tested on a chassis dynamometer with constant volume sampling (CVS) in Lyon (INRETS). The measurement of non regulated compounds comprised about 200 different VOC (volatile organic compound) in the C2-C6 and Cr C15 range and carbonyl compounds. The sampling of these compounds was made using sorbent tubes followed by analysis with chromatography technology in liquid and gas phases. The influence of cold and warm starting conditions on the VOC composition was determined. The overemission in VOC is higher during a cold start. During the cold start phase the aromatic compounds and the alkenes are emitted in high proportion compared to the warm start phase with unleaded gasoline and diesel gasoline. The emission factors are determined and compared either with gasoline or diesel vehicles. The influence of the technology was evaluated too. We observe that we have more emission of VOC with gasoline passenger cars than with diesel vehicles.
Measurement of non regulated pollutants from gasoline and diesel passengers cars
2004
7 Seiten, 4 Bilder, 5 Quellen
Conference paper
English
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