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Distributed temperature monitoring for liquid sodium leakage detection using OFDR-based Rayleigh backscattering

E. Boldyreva 1 R. Cotillard 1 G. Laffont 1 P. Ferdinand 1 D. Cambet 2 J. -P. Jeannot 2 P. Charvet 2 S. Albaladejo 2 G. Rodriguez 2
1 LCFO - Laboratoire Capteurs Fibres Optiques
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
2 DTN - Département Technologie Nucléaire
Abstract : For the first time, a gold coated single mode optical fiber has been used to detect a liquid sodium leakage on a pipe of secondary circuit pipe mock-up of nuclear fast reactor (Gen IV) by means of Optical Frequency Domain Reflectometry-based on Rayleigh backscattering. During 150 min of the experiment we were able to detect and monitor the evolution of a liquid sodium leakage on the surface of the pipe.
Keywords : leakage detection liquid sodium fast reactor Rayleigh backscattering OFDR Optical Fiber Sensor
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Conference papers
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https://hal-cea.archives-ouvertes.fr/cea-01828512
Contributor : Léna Le Roy <>
Submitted on : Tuesday, July 3, 2018 - 11:22:47 AM
Last modification on : Friday, June 25, 2021 - 10:00:01 AM

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CEA | DEN | DRT | LIST | DEN-CAD | CEA-CAD | DM2I | GS-COMPUTER-SCIENCE

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E. Boldyreva, R. Cotillard, G. Laffont, P. Ferdinand, D. Cambet, et al.. Distributed temperature monitoring for liquid sodium leakage detection using OFDR-based Rayleigh backscattering. 23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, Jun 2014, Santander, Spain. pp.91576N, ⟨10.1117/12.2059531⟩. ⟨cea-01828512⟩

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