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Journal of Sensors and Sensor Systems An open-access peer-reviewed journal
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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.
Articles | Volume 6, issue 2
J. Sens. Sens. Syst., 6, 395–405, 2017
https://doi.org/10.5194/jsss-6-395-2017

Special issue: Sensor/IRS2 2017

J. Sens. Sens. Syst., 6, 395–405, 2017
https://doi.org/10.5194/jsss-6-395-2017

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 et al.

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Cited articles

Baliga, B. R. and Patankar, S. V.: A new finite-element formulation for convection-diffusion problems, Numer. Heat Tr. A-Appl., 3, 393–409, https://doi.org/10.1080/01495728008961767, 1980.
Batchelor, G. K.: Equations Governing the Motion of a Fluid, in: An Introduction to Fluid Dynamics, edited by: Batchelor, G. K., Cambridge University Press, Cambridge, 131–173, 2000.
Bentley, R. E.: The use of elemental thermocouples in high-temperature precision thermometry, Measurement, 23, 35–46, https://doi.org/10.1016/S0263-2241(98)00007-4, 1998.
Bhatia, D., McCabe, R. W., Harold, M. P., and Balakotaiah, V.: Experimental and kinetic study of NO oxidation on model Pt catalysts, J. Catal., 266, 106–119, https://doi.org/10.1016/j.jcat.2009.05.020, 2009.
Bird, R. B., Stewart, W. E., and Lightfoot, E. N.: Transport phenomena, Rev., 2. Edn., Wiley, New York, 905 pp., 2007.

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Special issue
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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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