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Ara, Kuniaki; Hirabayashi, Masaru*
CROSS T&T, (71), p.10 - 14, 2022/07
Development of hydrogen concentration monitors based on the application of ultrasonic technology applicable to severe accidents in nuclear reactor facilities was conducted. This paper introduces the principle and features of the application of ultrasonic technology. This paper introduces the principles and features of the ultrasonic application, and describes the performance (measurement accuracy, time response, etc.) and environmental resistance of the prototype as development results. In addition, the application of the developed technology would be introduced.
Shamoto, Shinichi; Ieda, Junichi
CROSS T&T, (69), p.35 - 39, 2021/10
no abstracts in English
Oigawa, Hiroyuki
CROSS T&T, (47), p.48 - 53, 2014/06
JAEA is conducting research and development on an Accelerator Driven System (ADS), aiming at effective transmutation of minor actinides which keep long-lasting radio toxicity in high-level radioactive wastes. The ADS is an innovative nuclear system combining a superconducting proton accelerator, a spallation target and a subcritical core. To tackle technical challenges on materials and reactor physics toward realization of ADS, JAEA is planning to build Transmutation Experimental Facility as the Phase-2 program of J-PARC. Moreover, JAEA is considering the collaboration with the MYRRHA project proposed by Belgian Nuclear Research Center.
Ebisawa, Hirobumi
CROSS T&T, (43), p.42 - 45, 2013/02
In global circumstances surrounding nuclear energy, the role expected to Japan Atomic Energy Agency (JAEA) is becoming increasingly important. JAEA has been promoted an initiative for the international center of excellence in order to increase the scientific competitiveness of Japan and make international contributions, by gathering excellent researchers from the entire world with the latest facilities. Also, JAEA established "Committee for JAEA Internationalization Initiative", which will discuss issues such as environmental improvement for accepted foreigners, direction of efforts for internationalization initiative and strategies to improve current situation. This article mentions current and future activities on internationalization initiative.