In-service inspection (ISI) is carried out to confirm the integrity of the main components of the Fast Breeder Reactor (FBR) “MONJU”. The weld-joints are examined by using an inspection device which has a glass fiber scope for visual examination and a horizontally polarized shear (SH) wave electromagnetic acoustic transducer (EMAT) for volumetric testing. The ambient temperature during the inspection is 200°C and the irradiation field is 10 Sv/hr. A new inspection device has been developed in order to improve the visual test performance, volumetric test performance and controllability of the inspection device reflecting the experience of the original test. In this paper, detail of the new inspection device and the test results of sensors such as the CCD camera, EMAT and bead sensor are reported. The paper also reports on the CCD camera cooling system and other components.
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14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4242-8
PROCEEDINGS PAPER
Development of the ISI Device for Fast Breeder Reactor MONJU Reactor Vessel
Akihiro Tagawa,
Akihiro Tagawa
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
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Masashi Ueda,
Masashi Ueda
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
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Takuya Yamashita
Takuya Yamashita
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
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Akihiro Tagawa
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
Masashi Ueda
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
Takuya Yamashita
Japan Atomic Energy Agency, Tsuruga, Fukui, Japan
Paper No:
ICONE14-89230, pp. 425-432; 8 pages
Published Online:
September 17, 2008
Citation
Tagawa, A, Ueda, M, & Yamashita, T. "Development of the ISI Device for Fast Breeder Reactor MONJU Reactor Vessel." Proceedings of the 14th International Conference on Nuclear Engineering. Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management. Miami, Florida, USA. July 17–20, 2006. pp. 425-432. ASME. https://doi.org/10.1115/ICONE14-89230
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