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Journal Articles

Mizunami Underground Research Laboratory Project; Achievement during Phase I/II and important issues for Phase III

Hama, Katsuhiro

Proceedings of 6th East Asia Forum on Radwaste Management Conference (EAFORM 2017) (Internet), 6 Pages, 2017/12

The Mizunami Underground Research Laboratory project is being pursued by the JAEA in the crystalline host rock at Mizunami City in Gifu Prefecture. The project proceeds in three overlapping phases, Surface-based investigation Phase (Phase I), Construction Phase (Phase II) and Operation Phase (III). During Phase I, a step-wise investigation was conducted by iterating investigation, interpretation, and assessment, thereby understanding of geologic environment was progressively and effectively improved with progress of investigation. During Phase II, we have evaluated adequacy of techniques for investigation, analysis and assessment of the deep geological environment established in the Phase I. For Phase III, three important issues were identified based on the latest results. Development of countermeasure technologies for reducing groundwater inflow, Development of modeling technologies for mass transport, Development of drift backfilling technologies.

Journal Articles

Establishment of technical basis to implement accident tolerant fuels and components to existing LWRs

Yamashita, Shinichiro; Nagase, Fumihisa; Kurata, Masaki; Kaji, Yoshiyuki

Proceedings of Annual Topical Meeting on LWR Fuels with Enhanced Safety and Performance (TopFuel 2016) (USB Flash Drive), p.21 - 30, 2016/09

Fuel rod, channel box, and control rod designed with new materials and concepts have been developed in Japan for increasing accident tolerance of LWRs. In order to efficiently and properly implement the accident tolerant fuels (ATFs) and the other components, it is necessary not only to accumulate fundamental and practical data but also to consider technology readiness, recognize knowledge gaps, and establish strategy for design and fabrication. The Japan Atomic Energy Agency (JAEA) has established the above "technical basis" and drafted a research plan towards implementation of the ATFs and components as a program sponsored and organized by the Ministry of Economy, Trade and Industry (METI). It is useful to take advantage of the experiences in commercial uses of zirconium-base alloys in LWRs and, therefore, JAEA has conducted this METI project in cooperation with power plant providers, fuel venders, research institutes and universities who have been involved in the development of the ATF materials. The present paper describes the main results of the project conducted to establish the technical basis of the ATFs and components.

JAEA Reports

Investigation plan for the Mizunami Underground Research Laboratory Project; Investigation plan for the third medium to long-term research phase

Hama, Katsuhiro; Iwatsuki, Teruki; Matsui, Hiroya; Mikake, Shinichiro; Sasao, Eiji; Osawa, Hideaki

JAEA-Review 2016-004, 38 Pages, 2016/06

JAEA-Review-2016-004.pdf:7.07MB

The Mizunami Underground Research Laboratory project is being pursued by the Japan Atomic Energy Agency to enhance the reliability of relevant disposal technologies through investigations of the deep geological environment within the host crystalline rock at Mizunami City in Gifu Prefecture, central Japan. The present report summarizes the research and development activities planned mainly in the -500m gallery.

JAEA Reports

Assessment report of research and development activities in FY2014; Activity "Nuclear Science and Engineering Research" (Result and in-advance evaluation)

Nuclear Science and Engineering Center; Center for Computational Science & e-Systems

JAEA-Evaluation 2015-003, 58 Pages, 2015/07

JAEA-Evaluation-2015-003.pdf:1.39MB
JAEA-Evaluation-2015-003-appendix(CD-ROM)..zip:9.94MB

Japan Atomic Energy Agency (hereinafter referred to as "JAEA") consults an assessment committee, "Evaluation Committee of Research Activities for Nuclear Science and Engineering" (hereinafter referred to as "Committee") for result and in-advance evaluation of "Nuclear Science and Engineering", in accordance with "General Guideline for the Evaluation of Government Research and Development (R&D) Activities" by Cabinet Office, Government of Japan, "Guideline for Evaluation of R&D in Ministry of Education, Culture, Sports, Science and Technology" and "Regulation on Conduct for Evaluation of R&D Activities" by the JAEA. In response to the JAEA's request, the Committee assessed the research program of the Nuclear Science and Engineering Center (hereinafter referred to as "NSEC") and Center for Computational Science and e-Systems (hereinafter referred to as "CCSE"). The Committee evaluated the management and research activities of the NSEC and the CCSE based on explanatory documents prepared by the NSEC and the CCSE, and oral presentations with questions-and-answers.

JAEA Reports

Report of the review committee on evaluation of the research subjects in the field of advanced science research

Research Evaluation Committee

JAERI-Review 2000-023, 37 Pages, 2000/10

JAERI-Review-2000-023.pdf:3.6MB

no abstracts in English

JAEA Reports

Report of the review committee on evaluation of the R&D subjects in the field of nuclear fusion research

Research Evaluation Committee

JAERI-Review 2000-022, 53 Pages, 2000/10

JAERI-Review-2000-022.pdf:4.69MB

no abstracts in English

JAEA Reports

Report of the review committee on evaluation of the research subjects in the fields of advanced science research

Research Evaluation Committee

JAERI-Review 2000-012, 22 Pages, 2000/07

JAERI-Review-2000-012.pdf:2.58MB

no abstracts in English

JAEA Reports

JAEA Reports

None

*; *; *

JNC-TJ8420 2000-003, 99 Pages, 2000/03

JNC-TJ8420-2000-003.pdf:5.47MB

no abstracts in English

JAEA Reports

None

*

JNC-TN1440 2000-001, 47 Pages, 2000/01

JNC-TN1440-2000-001.pdf:2.57MB

no abstracts in English

JAEA Reports

None

JNC-TN1440 2000-003, 88 Pages, 1999/08

JNC-TN1440-2000-003.pdf:5.11MB

no abstracts in English

JAEA Reports

None

JNC-TN1440 2000-002, 148 Pages, 1999/08

JNC-TN1440-2000-002.pdf:8.54MB

no abstracts in English

JAEA Reports

Assessment report on the research and development themes of Japan Atomic Energy Research Institute

Research Evaluation Committee

JAERI-Review 98-025, 64 Pages, 1998/11

JAERI-Review-98-025.pdf:5.11MB

no abstracts in English

JAEA Reports

JAEA Reports

Oral presentation

"Issues" and "Challenges" for introducing new fuels and the other components with enhanced accident tolerance to light water reactor

Yamashita, Shinichiro

no journal, , 

In order to increase accident tolerance of light water reactors (LWRs), fuel rod, channel box and control rod with new materials and concepts have been considered and developed in Japan. Since 2015, the Japan Atomic Energy Agency (JAEA) has conducted and coordinated the Japanese R&D program of accident tolerant fuel (ATF) for establishing technical basis of ATF under a program sponsored and organized by the Ministry of Economy, Trade and Industry (METI). This program has been carried out in cooperation with power plant providers, fuel venders and universities because it is efficient and proper to take advantage of the experiences in R&D, practical design, and evaluations of fuels and cores of commercial LWRs.

16 (Records 1-16 displayed on this page)
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