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Journal Articles

Development of ISI system for FBR MONJU reactor vessel

Tagawa, Akihiro; Okamoto, Hisahiko; Ueda, Masashi; Yamashita, Takuya

Nihon Hozen Gakkai Dai-3-Kai Gakujutsu Koenkai Yoshishu, p.376 - 379, 2006/07

no abstracts in English

Oral presentation

Development of ISI equipment for fast breeder reactor MONJU, 28; Development of ISI support system for MONJU reactor vessel

Okamoto, Hisahiko; Tagawa, Akihiro; Ueda, Masashi; Yamashita, Takuya

no journal, , 

no abstracts in English

Oral presentation

Development of ISI equipment for Fast Breeder Reactor MONJU, 30; Performance test results using RV mockup

Okamoto, Hisahiko; Tagawa, Akihiro; Ueda, Masashi; Yamashita, Takuya

no journal, , 

no abstracts in English

Oral presentation

ISI system for MONJU reactor vessel; Performance test results using RV mockup

Okamoto, Hisahiko; Tagawa, Akihiro; Ueda, Masashi; Yamashita, Takuya

no journal, , 

In-service inspection (ISI) is carried out to confirm the integrity of the main components of the Fast Breeder Reactor (FBR) "MONJU". The reactor vessel (RV) is the most important component of the FBR. Using the RV-ISI device it is conducted a visual test along the weld line of the reactor vessel. The inspection is carried out using a CCD camera for visual tests at elevated temperature (200 deg.) and high irradiation dose condition (10Sv/hr). Presently, the manufacture of the new device was ended and the performance test is carried out. This paper describes the result of the performance test using a mockup.

Oral presentation

Study on simulation of acoustic propagation within a steam generator of FBR

Ueda, Masashi; Chai, L.*; Meshii, Toshiyuki*; Miyahara, Shinya; Okamoto, Hisahiko

no journal, , 

To estimate feasibility of the acoustic leak detection system for the steam generators of FBR, axis-symmetrical finite element code was developed and accoustic propagation befavior in the steam generator was evaluated by this code.

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