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Impact of Non-Thermal Plasma on Particulate Emissions in Application in a Diesel Engine Exhaust Duct

Langhorst, Thorsten; Toedter, Olaf ORCID iD icon; Koch, Thomas; Gonner, Patrick


Particulates and nitrogen oxides comprise the main emission components of the Diesel combustion and therefore are subject to exhaust emission legislation. Yet, with more stringent emission standards and test-procedures, such as in passenger vehicle applications, resulting exhaust gas after-treatment systems are complex and costly. Hence, new technologies for emission control have to be explored. The application of non-thermal plasma (NTP) as a means to perform exhaust gas after-treatment is one such promising technology. One way to generate a NTP is by a corona high-frequency discharge. Apart from few other publications dealing with NTP exhaust gas aftertreatment where a NTP was generated via dielectric barrier discharges (DBD), the experiments in this publication were conducted on an operated series-production Diesel engine with an industrial pilot-type corona ignition system. Originally developed as an alternative for a spark-plug system in SI engines its attributed properties, such as large penetrated volume and high radical concentration, may also be utilized in the exhaust gas stream as it has been done in this publication. To investigate the effects of a corona discharge on Diesel engine emissions, four igniters were integrated in the exhaust duct of a CRDI 2.0 liter engine equipped with DPF. ... mehr

Volltext §
DOI: 10.5445/IR/1000079889
Veröffentlicht am 12.02.2018
DOI: 10.4271/2017-01-5100
Zitationen: 1
Zugehörige Institution(en) am KIT Institut für Kolbenmaschinen (IFKM)
Publikationstyp Forschungsbericht/Preprint
Publikationsdatum 06.12.2017
Sprache Englisch
Identifikator ISSN: 0148-7191
KITopen-ID: 1000079889
Verlag SAE International
Umfang 9 S.
Serie SAE Technical Paper ; 2017-01-5100
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