Sensors 2012, 12(11), 14315-14326; doi:10.3390/s121114315
Article

“Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards

1 Electrofluidodynamic Group, P' Institute, CNRS, University of Poitiers, ENSMA, UPR 3346, 86962 Futuroscope Poitiers, France 2 Electricite de France (EDF), Site des Renardières LGEHT1, 77818 Morêt sur Loing, France
* Author to whom correspondence should be addressed.
Received: 18 September 2012; in revised form: 16 October 2012 / Accepted: 18 October 2012 / Published: 25 October 2012
(This article belongs to the Special Issue Transducer Systems)
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Abstract: At a solid/liquid interface, physico-chemical phenomena occur that lead to the separation of electrical charges, establishing a zone called electrical double layer. The convection of one part of these charges by the liquid flow is the cause of the flow electrification phenomenon which is suspected of being responsible of incidents in the industry. The P’ Institute of Poitiers University and CNRS has developed an original sensor called “capacitive sensor” that allows the characterization of the mechanisms involved in the generation, accumulation and transfer of charges. As an example, this sensor included in the design of high power transformers, could easily show the evolution of electrostatic charge generation developed during the operating time of the transformer and, therefore, point out the operations leading to electrostatic hazards and, then, monitor the transformer to prevent such risks.
Keywords: flow electrification; electrostatic hazard; power transformer

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MDPI and ACS Style

Paillat, T.; Touchard, G.; Bertrand, Y. “Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards. Sensors 2012, 12, 14315-14326.

AMA Style

Paillat T, Touchard G, Bertrand Y. “Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards. Sensors. 2012; 12(11):14315-14326.

Chicago/Turabian Style

Paillat, Thierry; Touchard, Gerard; Bertrand, Yves. 2012. "“Capacitive Sensor” to Measure Flow Electrification and Prevent Electrostatic Hazards." Sensors 12, no. 11: 14315-14326.

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