Determination of the Soot Mass by Conductometric Soot Sensors

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2014 English Publisher:Elsevier BVJournal:Procedia Engineering, volume 87, pages 244-247 (issn: 1877-7058,

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Authors: Hagen, G.; Müller, A.; Feulner, M.; Schott, A.; Zöllner, C.; Brüggemann, D.; Moos, R.;

doi: 10.1016/j.proeng.2014.11.646

Determination of the Soot Mass by Conductometric Soot Sensors

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Abstract

AbstractSoot sensors are required for on-board diagnostics (OBD) of automotive diesel particulate filters (DPF) to detect filter failures. If installed upstream of a DPF, the “engine-out” soot emissions can be determined by conductometric soot sensors. For that purpose, conductometric soot sensors were characterized in a diesel engine under varying operation conditions. Sensor data and soot analytics (SMPS) agree well. However, the orientation of the sensor electrodes with respect to the exhaust flow direction significantly affects the sensor signal.

Related Organizations

University of Bayereuth
Germany
University of Bayreuth
Germany

Keywords

Soot sensor, On-board diagnostics (OBD), Diesel particulate filter (DPF), Engineering(all)

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