Atomic Energy Society of Japan最新文献

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Overview of the Results of JAEA’s Underground Research Laboratory Projects 日本原子能机构地下研究实验室项目成果综述
Atomic Energy Society of Japan Pub Date : 2019-07-18 DOI: 10.3327/jaesjb.62.4_186
T. Semba
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引用次数: 0
Development of Laser Cutting Technology of Thick Steel Plates for Nuclear Facilities 核设施厚钢板激光切割技术的发展
Atomic Energy Society of Japan Pub Date : 2019-07-18 DOI: 10.3327/jaesjb.62.5_268
K. Tamura
{"title":"Development of Laser Cutting Technology of Thick Steel Plates for Nuclear Facilities","authors":"K. Tamura","doi":"10.3327/jaesjb.62.5_268","DOIUrl":"https://doi.org/10.3327/jaesjb.62.5_268","url":null,"abstract":"","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79017546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Future of Particle Accelerators 粒子加速器的未来
Atomic Energy Society of Japan Pub Date : 2019-01-30 DOI: 10.1063/pt.5.023581
Seiya Yamaguchi
{"title":"Future of Particle Accelerators","authors":"Seiya Yamaguchi","doi":"10.1063/pt.5.023581","DOIUrl":"https://doi.org/10.1063/pt.5.023581","url":null,"abstract":"","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90877006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ウラン–ジルコニウム–鉄の混合溶融酸化物の凝固時偏析に関する基礎検討 关于铀-锆-铁的混合熔融氧化物的凝固时偏析的基础研究
Atomic Energy Society of Japan Pub Date : 2019-01-01 DOI: 10.3327/TAESJ.J18.029
Ayako Sudo, F. Mizusako, K. Hoshino, Takumi Sato, Y. Nagae, M. Kurata
{"title":"ウラン–ジルコニウム–鉄の混合溶融酸化物の凝固時偏析に関する基礎検討","authors":"Ayako Sudo, F. Mizusako, K. Hoshino, Takumi Sato, Y. Nagae, M. Kurata","doi":"10.3327/TAESJ.J18.029","DOIUrl":"https://doi.org/10.3327/TAESJ.J18.029","url":null,"abstract":"","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89738446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Atmospheric dispersion simulations for the assessment of radiological dose to the public due to the Fukushima Daiich nuclear power station accident 以大气扩散模拟评估福岛第一核电站事故对公众造成的辐射剂量
Atomic Energy Society of Japan Pub Date : 2018-07-17 DOI: 10.3327/jaesjb.55.12_712
H. Nagai
{"title":"Atmospheric dispersion simulations for the assessment of radiological dose to the public due to the Fukushima Daiich nuclear power station accident","authors":"H. Nagai","doi":"10.3327/jaesjb.55.12_712","DOIUrl":"https://doi.org/10.3327/jaesjb.55.12_712","url":null,"abstract":"東京電力福島第一原子力発電所事故に伴い環境中に放出された放射性物質による事故初期段階における被 ばく線量を評価するために、線量推計に必要となる放射性物質大気濃度・沈着量の時空間分布データベー スを大気拡散解析により構築する。 キーワード:福島第一原子力発電所事故,被ばく線量評価,大気拡散解析,放射性物質濃度・沈着量時空 間分布,放出源情報,WSPEEDI 1. 緒言 東京電力福島第一原子力発電所の事故時に放出された放射性物質による住民の被ばく線量の把握におい て、ヨウ素 131 等の短半減期核種による事故初期段階における内部被ばく線量については、実測データが 限られており評価が困難である。そこで、大気拡散解析により、離散的に測定された濃度、沈着量、空間 線量率等の実測データと整合するように放射性物質の拡散状況を再現することで、限られた実測データを 時間空間的に補完して線量推計に活用することを目指した研究が進められている。本研究では、最新の知 見を反映した大気拡散解析により事故時の放射性物質の拡散状況を再構築し、線量推計に必要となる放射 性物質大気濃度・沈着量の時間空間分布データベースを構築する。 2. 解析手法 大気拡散解析は、原子力機構で開発した WSPEEDI に最新の気象モデル WRF 及びアンサンブル計算手法 を導入するとともに、大気拡散モデルに化学形態を考慮した精緻な沈着過程を導入し、放射性物質の大気 拡散・沈着状況の再現性向上を図っている。まず、WRF によりアンサンブル気象場を作成し、それぞれ放 出期間分割(1 時間ごと)した単位放出条件の大気拡散計算を実施し、様々な放出条件の大気拡散計算結果 を作成可能なデータベースを構築する。このデータベースから得られる計算値と環境モニタリングの測定 値の比較結果を統計的に解析することで、アンサンブル計算結果から最も再現性の高い気象場を選定し、 測定値を再現するように放出源情報を最適化する。 3. 解析結果 解析手法の有効性を確認するための試験として、これまで再現性が低かった 2011 年 3 月 12 日~13 日の 福島県浜通り北部の 3 地点(原町、相馬、新地)における環境汚染測定局 SPM 計ろ紙解析による大気中 137Cs 濃度測定値の時間変化と、アンサンブル計算手法による 10 ケースの気象場を用いた拡散計算結果を比較し た。10 ケースの計算結果は濃度出現時刻と絶対値にばらつきがあり、測定値を再現可能なケースを抽出す ることができた。今後、全評価期間にわたって本解析を実施し、各種測定データを整合的に再現する放出 源情報と大気拡散状況の解析を進める計画である。得られた解析結果は、他の研究機関で実施する住民の 行動パターン及び陸上の核種移行モデルを組み合わせた被ばく線量評価に活用される予定である。 謝辞:この研究は環境省委託事業「平成 29 年度放射線健康管理・健康不安対策事業(放射線の健康影響に 係る研究調査事業)」において実施したものです。","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86990613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
先進核融合中性子源(A–FNS)計画における99Mo/99mTc製造の概念検討 先进核聚变中子源(A - FNS)计划中99mo / 99mtc制造概念讨论
Atomic Energy Society of Japan Pub Date : 2018-03-13 DOI: 10.3327/TAESJ.J17.006
雅之 太田, 権 セロム, 落合 謙太郎, 寛光 鈴木
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引用次数: 3
Safety Assessment of Near Surface Disposal of Vitrified Secondary Waste from 1F Contaminated Water Treatment 1F污染水处理玻璃化二次废物近地表处理安全性评价
Atomic Energy Society of Japan Pub Date : 2018-01-31 DOI: 10.3327/jaesjb.60.12_776
S. Abeta
{"title":"Safety Assessment of Near Surface Disposal of Vitrified Secondary Waste from 1F Contaminated Water Treatment","authors":"S. Abeta","doi":"10.3327/jaesjb.60.12_776","DOIUrl":"https://doi.org/10.3327/jaesjb.60.12_776","url":null,"abstract":"1. 緒言 汚染水から Cs、Sr などの核種を除去する「セシウム吸着装置」や「多核種除去設備」により濃集された高線量 の廃棄物は、吸着塔や容器内で一時保管されている。貯蔵の安全性のさらなる向上と最終的な処分のためには、よ り安定性の高い固化体に処理することが望まれるが、セメント、プラスチックあるいはアスファルトによる固化は、 固化体中の水和物や有機物の放射線分解による水素発生が問題となる。一方、ガラス固化法では水分子や有機物は 固化体製造過程で取り除かれると共に、放射性核種は SiO2四面体に化学的に固定されるため、安定で長期にわた る閉じ込め性に優れた構造となる。 2. ジオメルトガラス固化法 汚染水処理に用いられたゼオ ライト系のメディアは放射性廃 棄物であるが、化学成分としては ガラス形成材やガラス修飾材と なる SiO2, Al2O3, Na2O, CaO な どであるため、他の廃棄物をガラ ス固化する際のガラス原料とし て用いることができる。 ジオメルトは、バッチ式のガラ ス固化技術(ICV: In_Container Vitrification)である。溶融容器 内の処理対象物に挿入されてい る電極棒で通電し、処理物中に発 生するジュール熱により廃棄物 を溶融し、自然冷却することでガ ラス固化体となる。海外の放射性 廃棄物分野における多くの実績 のほか、一般産業分野でも多様な 物質(有害物質汚染土壌、PCB、 アスベスト、金属、有機物など) の処理に実用化されている。このような、本来は廃棄物である成分を有効活用して汚染水処理二次廃棄物を一括し て処理することのできるジオメルトによるガラス固化は、合理的な廃棄物処理技術となる可能性がある。また、選 別や、か焼などの前処理プロセスなしに異なる種類の廃棄物を同時に処理することが可能であることから、他のガ ラス固化技術と比べて建設・運転コストを低減できる見通しが得られた。","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90800055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SMR Development in the World and its Impact on Energy Sector 世界小堆发展及其对能源部门的影响
Atomic Energy Society of Japan Pub Date : 2018-01-31 DOI: 10.3327/jaesjb.60.7_382
Takanori Tanaka
{"title":"SMR Development in the World and its Impact on Energy Sector","authors":"Takanori Tanaka","doi":"10.3327/jaesjb.60.7_382","DOIUrl":"https://doi.org/10.3327/jaesjb.60.7_382","url":null,"abstract":"","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73219604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of Building Internal Pressure Change Caused by Tornado Approach 龙卷风逼近引起建筑物内压变化的评价
Atomic Energy Society of Japan Pub Date : 2018-01-01 DOI: 10.3327/TAESJ.J16.032
Juntaro Shimizu, K. Akino, Shunsuke Ohtsubo
{"title":"Evaluation of Building Internal Pressure Change Caused by Tornado Approach","authors":"Juntaro Shimizu, K. Akino, Shunsuke Ohtsubo","doi":"10.3327/TAESJ.J16.032","DOIUrl":"https://doi.org/10.3327/TAESJ.J16.032","url":null,"abstract":"Juntaro SHIMIZU, Kyohei AKINO and Shunsuke OHTSUBO Fuel and Core Engineering Department, Mitsubishi Nuclear Fuel Co., Ltd., 622–1 Funaishikawa, Tokai-mura, Naka-gun, Ibaraki 319–1197, Japan Analysis & Engineering Center, MHI Nuclear Systems and Solution Engineering Co., Ltd., 1–1–1 Wadasaki-cho, Hyogo-ku, Kobe 652–8585, Japan (Received February 9, 2017; accepted in revised form July 25, 2017; published online January 31, 2018)","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84876509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on Evaluation of Safety Function Reliability and Risk Management during the Decommissioning of an Accident-damaged Nuclear Power Plant 事故损坏核电站退役安全功能可靠性评价与风险管理研究
Atomic Energy Society of Japan Pub Date : 2018-01-01 DOI: 10.3327/TAESJ.J17.007
T. Aoki, K. Sugihara, H. Suwa, T. Negishi, Takeshi Morita
{"title":"Study on Evaluation of Safety Function Reliability and Risk Management during the Decommissioning of an Accident-damaged Nuclear Power Plant","authors":"T. Aoki, K. Sugihara, H. Suwa, T. Negishi, Takeshi Morita","doi":"10.3327/TAESJ.J17.007","DOIUrl":"https://doi.org/10.3327/TAESJ.J17.007","url":null,"abstract":"Takayuki AOKI, Kazuhiro SUGIHARA, Hidekazu SUWA, Takayuki NEGISHI and Takeshi MORITA Graduate School of Engineering, Tohoku University, 6‒6‒01‒2 Aoba, Aramaki, Aoba-ku, Sendai 980‒8579, Japan The Japan Atomic Power Company, Mitoshirocho Bldg., 1‒1 Kanda-Mitoshiro-cho, Chiyoda-ku, Tokyo 101‒0053, Japan Nuclear Engineering and Services Company, Ochanomizu Kyoun Building 11 floor, 2 Chome-2, Kandasurugadai, Chiyoda-ku, Tokyo 101‒0062, Japan (Received July 4, 2017; accepted in revised form March 2, 2018; published online May 14, 2018)","PeriodicalId":8595,"journal":{"name":"Atomic Energy Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86422251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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