Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 6, issue 2
Articles | Volume 6, issue 2
https://doi.org/10.5194/jsss-6-395-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-6-395-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 2
Regular research article
 | 
22 Dec 2017
Regular research article |  | 22 Dec 2017

Simulation of a thermoelectric gas sensor that determines hydrocarbon concentrations in exhausts and the light-off temperature of catalyst materials

Thomas Ritter, Sven Wiegärtner, Gunter Hagen, and Ralf Moos

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Short summary
A planar thermoelectric gas sensor is modeled. By coupling all influences (fluid flow, gas diffusion, heat transfer, chemical reactions, and electrical properties) a model was set up that mirrors the sensor behavior precisely, as the comparison with experimental data shows. The coupling of 3-D and 1-D geometry enables to calculate the temperature distribution, fluid flow, and the gas concentration distribution in the 3-D model, while the chemical reactions are very accurately calculated in 1-D.
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Special issue
Sensor/IRS2 2017