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JAEA Reports

Research and development of transparent materials for radiation shield using nanoparticles (Contract research); FY2019 Nuclear Energy Science & Technology and Human Resource Development Project

Collaborative Laboratories for Advanced Decommissioning Science; Kyushu University*

JAEA-Review 2020-036, 176 Pages, 2021/01

JAEA-Review-2020-036.pdf:9.55MB

The Collaborative Laboratories for Advanced Decommissioning Science (CLADS), Japan Atomic Energy Agency (JAEA), had been conducting the Nuclear Energy Science & Technology and Human Resource Development Project (hereafter referred to "the Project") in FY2019. The Project aims to contribute to solving problems in the nuclear energy field represented by the decommissioning of the Fukushima Daiichi Nuclear Power Station, Tokyo Electric Power Company Holdings, Inc. (TEPCO). For this purpose, intelligence was collected from all over the world, and basic research and human resource development were promoted by closely integrating/collaborating knowledge and experiences in various fields beyond the barrier of conventional organizations and research fields. The sponsor of the Project was moved from the Ministry of Education, Culture, Sports, Science and Technology to JAEA since the newly adopted proposals in FY2018. On this occasion, JAEA constructed a new research system where JAEA-academia collaboration is reinforced and medium-to-long term research/development and human resource development contributing to the decommissioning are stably and consecutively implemented. Among the adopted proposals in FY2018, this report summarizes the research results of the "Research and Development of Transparent Materials for Radiation Shield Using Nanoparticles" conducted in FY2019. The present study aims to reduce radiation exposure of workers in debris retrieval/analysis and reduce deterioration of optical and electronic systems in remote cameras. For these purposes, we develop transparent radiation shield by making the shield materials into nanoparticles, and dispersing/solidifying them in epoxy resin. By making boride or heavy metal compounds into nanoparticles, we will also develop a radiation shield that shields both neutrons and gamma-rays, and also suppresses secondary gamma-rays produced from neutrons.

JAEA Reports

Research and development of transparent materials for radiation shield using nanoparticles (Contract research); FY2018 Center of World Intelligence Project for Nuclear Science/Technology and Human Resource Development

Collaborative Laboratories for Advanced Decommissioning Science; Kyushu University*

JAEA-Review 2019-039, 104 Pages, 2020/03

JAEA-Review-2019-039.pdf:5.57MB

The Collaborative Laboratories for Advanced Decommissioning Science (CLADS), Japan Atomic Energy Agency (JAEA), had been conducting the Center of World Intelligence Project for Nuclear Science/Technology and Human Resource Development (hereafter referred to "the Project") in FY2018. The Project aims to contribute to solving problems in nuclear energy field represented by the decommissioning of the Fukushima Daiichi Nuclear Power Station, Tokyo Electric Power Company Holdings, Inc. For this purpose, intelligence was collected from all over the world, and basic research and human resource development were promoted by closely integrating/collaborating knowledge and experiences in various fields beyond the barrier of conventional organizations and research fields. The sponsor of the Project was moved from the Ministry of Education, Culture, Sports, Science and Technology to JAEA since the newly adopted proposals in FY2018. On this occasion, JAEA constructed a new research system where JAEA-academia collaboration is reinforced and medium-to-long term research/development and human resource development contributing to the decommissioning are stably and consecutively implemented. Among the adopted proposals in FY2018, this report summarizes the research results of the "Research and Development of Transparent Materials for Radiation Shield using Nanoparticles". The present study aims to reduce radiation exposure of workers in debris retrieval/analysis and reduce deterioration of optical and electronic systems in remote cameras. For these purposes, we develop transparent radiation shield by making the shield materials into nanoparticles, and dispersing/solidifying them in epoxy resin. By making B$$_{4}$$C and W into nanoparticles, we will also develop a radiation shield that shields both neutrons and gamma-rays, and also suppresses secondary gamma-rays produced from neutrons.

Journal Articles

ITER relevant high heat flux testing on plasma facing surfaces

Hirai, Takeshi*; Ezato, Koichiro; Majerus, P.*

Materials Transactions, 46(3), p.412 - 424, 2005/03

 Times Cited Count:101 Percentile:90.2(Materials Science, Multidisciplinary)

no abstracts in English

JAEA Reports

Study on impurity radiation and transport of JT-60U plasmas

Ishijima, Tatsuo

JAERI-Research 2000-015, p.94 - 0, 2000/03

JAERI-Research-2000-015.pdf:3.4MB

no abstracts in English

Journal Articles

Burn control in tokamak fusion reactors; Disruption and fast plasma shutdown

Yoshino, Ryuji

Purazuma, Kaku Yugo Gakkai-Shi, 75(12), p.1337 - 1374, 1999/12

no abstracts in English

Journal Articles

ITER materials R&D data bank

Tanaka, Shigeru; R.Matera*; G.Kalinin*; V.Barabash*; Mori, Kensuke*

Journal of Nuclear Materials, 271-272, p.478 - 485, 1999/00

 Times Cited Count:3 Percentile:29.56(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Manufacturing and testing of a Be/OFHC-Cu divertor module

Araki, Masanori; D.L.Youchison*; Akiba, Masato; R.D.Watson*; Sato, Kazuyoshi;

Journal of Nuclear Materials, 233-237(PT.A), p.632 - 637, 1996/00

 Times Cited Count:5 Percentile:46.08(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Experimental and analytical results of carbon based materials under thermal shock heat loads for fusion application

Araki, Masanori; Akiba, Masato; Seki, Masahiro; Dairaku, Masayuki; Ise, Hideo*; Yamazaki, Seiichiro*; Tanaka, Shigeru;

Fusion Engineering and Design, 19, p.101 - 109, 1992/00

 Times Cited Count:15 Percentile:79.1(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Thermal cycling tests of plasma facing components for Fusion Experimental Reactors at JAERI

Araki, Masanori; Akiba, Masato; ; Dairaku, Masayuki; ; Ise, Hideo*; Nakamura, Kazuyuki; Seki, Masahiro; Tanaka, Shigeru

Proc. of the 14th Symp. on Fusion Engineering,Vol. 1, p.357 - 360, 1992/00

no abstracts in English

Journal Articles

Entry-length effect on the thermal-hydraulic design of plasma-facing components of fusion reactors, Part I; Non-MHD flow

Kunugi, Tomoaki; M.Z.Hasan*

Fusion Technology, 19, p.1024 - 1029, 1991/05

no abstracts in English

Journal Articles

Entry-length effect on the thermal-hydraulic design of plasma-facing components of fusion reactors, Part II; MHD flow

M.Z.Hasan*; Kunugi, Tomoaki

Fusion Technology, 19, p.1030 - 1035, 1991/05

no abstracts in English

Journal Articles

Thermal shock tests on various materials of plasma facing components for FER/ITER

Seki, Masahiro; Akiba, Masato; Araki, Masanori; ; Dairaku, Masayuki; *; Fukaya, Kiyoshi; Ogawa, Masuro; Ise, Hideo*

Fusion Engineering and Design, 15, p.59 - 74, 1991/00

 Times Cited Count:17 Percentile:85.01(Nuclear Science & Technology)

no abstracts in English

Journal Articles

ITER related R&D on low-Z plasma-facing materials for divertor and first wall

Seki, Masahiro; M.Guseva*; G.Vieider*; J.Whitley*

Journal of Nuclear Materials, 179-181, p.1189 - 1192, 1991/00

 Times Cited Count:1 Percentile:20.44(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Thomson scattering measurements on ohmically heated plasmas in the JFT-2 tokamak

; ; ; ; ; ;

Japanese Journal of Applied Physics, 18(3), p.611 - 619, 1979/00

 Times Cited Count:3

no abstracts in English

Journal Articles

Thermal stability of spatially nonuniform plasma in a D-T fusion reactor

*; ;

Nuclear Fusion, 12(5), p.603 - 606, 1972/05

no abstracts in English

15 (Records 1-15 displayed on this page)
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