Electrical impedance spectroscopy for fouling detection in heat exchangers with earth connected working electrodes
Electrical impedance spectroscopy for fouling detection in heat exchangers with earth connected working electrodes
de Assis Dias, F.; Schubert, M.; Schleicher, E.; Pelzs, P.-L.; Meyer, C.; Bulst, M.; Hampel, U.
We created a test cell to design a measurement system based on electrical impedance spectroscopy for heat exchangers. In the experimental heat exchanger, the working electrode is connected to the earth potential for safety reasons. To avoid short-circuiting, an isolation transformer to decouple the impedance analyzer from earth potential was used, thus allowing the detection and characterization of thin fouling layers even if the working electrode is still connected to earth.
Keywords: electrical impedance spectroscopy; fouling; heat exchanger
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Contribution to proceedings
International Workshop on Impedance Spectroscopy (IWIS), 27.-30.09.2022, Chemnitz, Deutschland
2022 International Workshop on Impedance Spectroscopy (IWIS)
DOI: 10.1109/IWIS57888.2022.9975121 -
Lecture (Conference)
(Online presentation)
15th International Workshop on Impedance Spectroscopy, 27.-30.09.2022, Chemnitz, Germany
Permalink: https://www.hzdr.de/publications/Publ-34908
