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8 results on '"Alaoui, Meriem Chrifi"'

2. Radiation resistance of high frequency ultrasonic devices for distance measurement in the RHF

Author

Alaoui Meriem Chrifi, Le Clézio, Emmanuel, Despaux Gilles, and Calzavara Yoann

Subjects
Physics, QC1-999
Abstract

The fuel element plates of research reactors are subjected to swelling phenomena. These structure modifications impact an initial inter-plate distance of 1.8 mm. An ultrasonic device has been developed to investigate this parameter. With a 1 mm thickness, it relies on two transducers linked to an electronic system. The feasibility of the distance measurement has been proved in a previous study and the irradiation impact on the transducer components is here studied. To do so, a radiation resistance experiment was realized in the Arc-Nucleart Institute of Grenoble. It allowed the study of the influence of radiations on the device active and passive components’ characteristics.

Published
2020
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4. <tex-math notation='LaTeX'>$In~Situ$ </tex-math> High-Resolution Measurement of HFR Nuclear Fuel Plates’ Spacing

Author

ZAZ, GHITA, Le Clezio, Emmanuel, Dekious, Ali, Alaoui, Meriem Chrifi, CALZAVARA, YOANN, Despaux, Gilles, INSA Euro-Méditerranée, Institut National des Sciences Appliquées (INSA), Institut d’Electronique et des Systèmes (IES), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Matériaux, MicroCapteurs et Acoustique (M2A), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Institut Laue-Langevin (ILL), and ILL

Subjects
[SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018
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5. Tenue aux radiations de capteurs ultrasonores haute fréquence dédiés à la mesure de distance au sein de réacteurs à haut flux

Author

Alaoui, Meriem Chrifi, CALZAVARA, YOANN, Le Clézio, Emmanuel, Despaux, Gilles, Institut d’Electronique et des Systèmes (IES), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Matériaux, MicroCapteurs et Acoustique (M2A), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Institut Laue-Langevin (ILL), and ILL

Subjects
[SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018

8. Radiation resistance of high frequency ultrasonic devices for distance measurement in the RHF.

Author

Lyoussi, A., Giot, M., Carette, M., Jenčič, I., Reynard-Carette, C., Vermeeren, L., Snoj, L., Le Dû, P., Alaoui, Meriem Chrifi, Le Clézio, Emmanuel, Despaux, Gilles, and Calzavara, Yoann

Subjects
NUCLEAR fuel elements, ULTRASONIC equipment, DISTANCE measurement equipment, ELECTRONIC systems, TRANSDUCERS
Abstract

The fuel element plates of research reactors are subjected to swelling phenomena. These structure modifications impact an initial inter-plate distance of 1.8 mm. An ultrasonic device has been developed to investigate this parameter. With a 1 mm thickness, it relies on two transducers linked to an electronic system. The feasibility of the distance measurement has been proved in a previous study and the irradiation impact on the transducer components is here studied. To do so, a radiation resistance experiment was realized in the Arc-Nucleart Institute of Grenoble. It allowed the study of the influence of radiations on the device active and passive components' characteristics. [ABSTRACT FROM AUTHOR]

Published
2020
Full Text
View/download PDF

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