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Capacitive Soot Sensor

Title data

Hagen, Gunter ; Riess, Gerald ; Schubert, Michael ; Feulner, Markus ; Müller, Andreas ; Brüggemann, Dieter ; Moos, Ralf:
Capacitive Soot Sensor.
In: Procedia Engineering. Vol. 120 (2015) . - pp. 241-244.
ISSN 1877-7058
DOI: https://doi.org/10.1016/j.proeng.2015.08.590

Official URL: Volltext

Abstract in another language

A capacitive soot sensor was built up on basis of a known resistive device by covering the electrode area with a thin but dense alumina layer manufactured by the aerosol-deposition-method (ADM). Deposited soot cannot short-circuit the electrodes but leads to an increasing capacitance of the sensor. Experiments were conducted in real exhaust. Increasing soot concentrations lead to a more fast and sharp increase of the capacitance and the blind time of the sensor decreased to almost zero. The performance of such sensors could be enhanced when a voltage is applied at the electrodes during soot collection.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Research Institutions
Research Institutions > Research Units
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 28 Sep 2015 06:33
Last Modified: 15 Feb 2019 10:07
URI: https://eref.uni-bayreuth.de/id/eprint/19775