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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

Shielding

Maekawa, Fujio

Hamon, 28(4), p.208 - 211, 2018/11

Adequate shielding of neutrons and associated $$gamma$$-rays is of importance from viewpoints of the radiation safety of researchers and good experimental data taking by reducing the background. This article introduces basics of neutron shielding, physics and suitable materials for neutron and $$gamma$$-ray shielding, and an example of conceptual shielding design for the 1-MW spallation neutron source of J-PARC MLF.

JAEA Reports

A Point kernel shielding code, PKN-HP, for high energy proton incident

*

JAERI-Data/Code 96-020, 45 Pages, 1996/06

JAERI-Data-Code-96-020.pdf:1.1MB

no abstracts in English

JAEA Reports

Bulk shielding experiments on large SS316 assemblies bombarded by D-T neutrons, volume I; Experiment

Konno, Chikara; Maekawa, Fujio; Oyama, Yukio; Ikeda, Yujiro; Kosako, Kazuaki*; Maekawa, Hiroshi

JAERI-Research 94-043, 96 Pages, 1994/12

JAERI-Research-94-043.pdf:3.5MB

no abstracts in English

Journal Articles

Reactor shielding design of the High Temperature Engineering Test Reactor; Design analysis and shielding characteristics

Shindo, Ryuichi; Murata, Isao; Sawa, Kazuhiro; Shiozawa, Shusaku; *; Mori, Tomoaki*

Proc. of the 8th Int. Conf. on Radiation Shielding, p.351 - 358, 1994/00

no abstracts in English

JAEA Reports

Development of BERMUDA: A Radiation transport code system, part II; Gamma rays transport codes

Suzuki, Tomoo*; ; Tanaka, Shunichi;

JAERI-M 93-143, 82 Pages, 1993/07

JAERI-M-93-143.pdf:1.55MB

no abstracts in English

JAEA Reports

RADHEAT-V4; A code system to generate multigroup constants and analyze radiation transport for shielding safety evaluation

Yamano, Naoki*; Minami, Kazuyoshi*; ; Naito, Yoshitaka

JAERI 1316, 307 Pages, 1989/03

JAERI-1316.pdf:8.41MB

no abstracts in English

JAEA Reports

Shielding Analysis for Design of the Upgranded JRR-3 Research Reactor1.Shielding of Reactor

; ; ; ; ; ; ; *

JAERI-M 85-050, 117 Pages, 1985/04

JAERI-M-85-050.pdf:2.83MB

no abstracts in English

JAEA Reports

Gamma-Ray Shielding Design and Rerformance Test of WASTEF

; ; ;

JAERI-M 84-102, 54 Pages, 1984/06

JAERI-M-84-102.pdf:1.43MB

no abstracts in English

JAEA Reports

Experiments for the Assessment on Source Geometry of PWR Spent Fuel Assembly

; *; ; ; ; ; ; ; ; ; et al.

JAERI-M 82-202, 50 Pages, 1982/12

JAERI-M-82-202.pdf:1.43MB

no abstracts in English

JAEA Reports

Shielding Experiment of a Spent Fuel Transport Cask for a PWR Spent Fuel Assembly

; *; ; ; ; ; ; ; ; ; et al.

JAERI-M 82-201, 60 Pages, 1982/12

JAERI-M-82-201.pdf:1.99MB

no abstracts in English

JAEA Reports

Shielding Analysis on Spent Fuel Transport Cask by RADHEAT-V3 Code System

; ; Shimooke, Takanori

JAERI-M 9562, 44 Pages, 1981/07

JAERI-M-9562.pdf:1.13MB

no abstracts in English

JAEA Reports

Shielding Benchmark Problems,II

; ; *; *; *; Nakazawa, Masaharu*; *; *; *; ; et al.

JAERI-M 8686, 170 Pages, 1980/02

JAERI-M-8686.pdf:4.96MB

no abstracts in English

JAEA Reports

Shilding Benchmark Problems

; ; *; *; Nakazawa, Masaharu*; *; *; *; ; *; et al.

JAERI-M 7843, 219 Pages, 1978/09

JAERI-M-7843.pdf:19.05MB

no abstracts in English

16 (Records 1-16 displayed on this page)
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