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Sensor system for long-term analysis of fuel vapour restraint systems

Sensorsystem zur Langzeitanalyse von Kraftstoffdampfrückhaltesystemen
: Schieferstein, E.; Meller, K.; Grän-Heedfeld, J.; Göbel, U.; Schmitz, I.; Keller, J.; Seeger, T.


Technisches Messen : TM 87 (2020), Nr.5, S.304-311
ISSN: 0340-837X
ISSN: 0171-8096 (Print)
ISSN: 2196-7113 (Online)
Fraunhofer UMSICHT Oberhausen ()

Since 2011 gasoline is blended with bioethanol (5–10 Vol.-%) to comply with the biofuel quota required by law. To examine the influence of the bioethanol additive on the functionality of the fuel vapour restraint systems a suitable test facility is designed. This test facility enables automated long-term tests lasting several weeks. As a result, the adsorption behaviour of the activated carbon filters is examined by the used sensors for multiple ad- and desorption cycles even in case of multicomponent mixtures.