Conductometric Soot Sensor for Automotive Exhausts: Initial Studies
AbstractIn order to reduce the tailpipe particulate matter emissions of Diesel engines, Diesel particulate filters (DPFs) are commonly used. Initial studies using a conductometric soot sensor to monitor their filtering efficiency, i.e., to detect a malfunction of the DPF, are presented. The sensors consist of a planar substrate equipped with electrodes on one side and with a heater on the other. It is shown that at constant speed-load points, the time until soot percolation occurs or the resistance itself are reproducible means that can be well correlated with the filtering efficiency of a DPF. It is suggested to use such a sensor setup for the detection of a DPF malfunction.
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Hagen, G.; Feistkorn, C.; Wiegärtner, S.; Heinrich, A.; Brüggemann, D.; Moos, R. Conductometric Soot Sensor for Automotive Exhausts: Initial Studies. Sensors 2010, 10, 1589-1598.
Hagen G, Feistkorn C, Wiegärtner S, Heinrich A, Brüggemann D, Moos R. Conductometric Soot Sensor for Automotive Exhausts: Initial Studies. Sensors. 2010; 10(3):1589-1598.Chicago/Turabian Style
Hagen, Gunter; Feistkorn, Constanze; Wiegärtner, Sven; Heinrich, Andreas; Brüggemann, Dieter; Moos, Ralf. 2010. "Conductometric Soot Sensor for Automotive Exhausts: Initial Studies." Sensors 10, no. 3: 1589-1598.