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Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4最新文献

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Development of a Filtered Containment Venting System for Nuclear Power Plants 核电站过滤式安全壳排气系统的研制
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/taesj.j14.036
S. Kawamura, Takeo Kimura, Shuichi Omori, T. Narabayashi
{"title":"Development of a Filtered Containment Venting System for Nuclear Power Plants","authors":"S. Kawamura, Takeo Kimura, Shuichi Omori, T. Narabayashi","doi":"10.3327/taesj.j14.036","DOIUrl":"https://doi.org/10.3327/taesj.j14.036","url":null,"abstract":"A filtered containment venting system was developed for nuclear power plants. In the Fukushima Dai-ichi Nuclear Accident, widespread land contamination was caused by cesium - 137. This system was developed to filter aerosol particles and reduce the amount of radioactive particle release, while protecting the primary containment vessel from over pressure by venting gas from the vessel. Performance tests were conducted under various vent gas flow rate conditions to ascertain decontamination factors for aerosol particles with various diameters. It was observed through the tests that aerodynamic diameter was a good index for characterizing various aerosol particles for the filtered containment venting system. Test results showed that the decontamination factors were well over 1,000 for aerosol particles with aerodynamic diameters larger than 0.4 μ m. For aerosol particles with aerodynamic diameters larger than 0.2 μ m, the decontamination factors significantly increased with the diameter. This suggested that inertial deposition was the governing mechanism for filtering aerosols in this system. The decontamination factor of the water scrubber section of the filter increased with the increase in Stokes number.","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"228 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114189797","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: 4
Design, Construction and Monitoring of Temporary Storage Facilities for Removed Contaminants 为清除污染物而设的临时贮存设施的设计、建造及监察
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J12.028
H. Saegusa, H. Funaki, H. Kurikami, Y. Sakamoto, T. Tokizawa
{"title":"Design, Construction and Monitoring of Temporary Storage Facilities for Removed Contaminants","authors":"H. Saegusa, H. Funaki, H. Kurikami, Y. Sakamoto, T. Tokizawa","doi":"10.3327/TAESJ.J12.028","DOIUrl":"https://doi.org/10.3327/TAESJ.J12.028","url":null,"abstract":"Since the Fukushima Daiichi nuclear power plant accident caused by the Tohoku Region Paciˆc Coast Earthquake on March 11, 2011, decontamination work has been conducted in the surrounding environment within the Fukushima prefecture. Removed contaminants including soil, grass and trees are to be stored safely at temporary storage facilities for up to three years, after which they will be transferred to a planned interim storage facility. The decontamination pilot project was carried out in both the restricted and planned evacuation areas in order to assess decontamination methods and demonstrate measures for radiation protection of workers. Fourteen temporary storage facilities of diŠerent technical speciˆcations were designed and constructed under various topographic conditions and land use. In order to support the design, construction and monitoring of temporary storage facilities for removed contaminants during the full-scale decontamination within the prefecture of Fukushima, technical know-how obtained during the decontamination pilot project has been identiˆed and summarized in this paper.","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127119754","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
Changing Information Needs of Social Impact of Nuclear Power Plant Siting 核电厂选址社会影响的信息需求变化
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.15669/fukushimainsights.vol.4.188
Takako Kashiwa, Yoshimichi Kawamoto
{"title":"Changing Information Needs of Social Impact of Nuclear Power Plant Siting","authors":"Takako Kashiwa, Yoshimichi Kawamoto","doi":"10.15669/fukushimainsights.vol.4.188","DOIUrl":"https://doi.org/10.15669/fukushimainsights.vol.4.188","url":null,"abstract":"","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129984396","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
Survey of Tsuruga Inhabitants Concerning Radiation and Its Risks 鹤贺居民关于辐射及其危害的调查
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J14.018
Y. Shinoda, N. Yamano
{"title":"Survey of Tsuruga Inhabitants Concerning Radiation and Its Risks","authors":"Y. Shinoda, N. Yamano","doi":"10.3327/TAESJ.J14.018","DOIUrl":"https://doi.org/10.3327/TAESJ.J14.018","url":null,"abstract":"Yoshihiko SHINODA and Naoki YAMANO Department of Nuclear Power and Energy Safety Engineering, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui-shi, Fukui 910-8507, Japan Research Institute of Nuclear Engineering, University of Fukui, 1-2-4 Kanawa-cho, Tsuruga-shi, Fukui 914-0055, Japan Japan Atomic Energy Agency, Tsuruga Head Office, 65-20 Kizaki, Tsuruga-shi, Fukui 914-8585, Japan (Received July 17, 2014; accepted in revised form November 27, 2014; published online March 11, 2015)","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"261 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132839945","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
Effect of Gamma Ray Irradiation on Deoxygenation by Hydrazine in Artificial Seawater 伽马射线辐照对人工海水中肼脱氧的影响
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J12.009
T. Motooka, Tomonori Sato, Masahiro Yamamoto
{"title":"Effect of Gamma Ray Irradiation on Deoxygenation by Hydrazine in Artificial Seawater","authors":"T. Motooka, Tomonori Sato, Masahiro Yamamoto","doi":"10.3327/TAESJ.J12.009","DOIUrl":"https://doi.org/10.3327/TAESJ.J12.009","url":null,"abstract":"","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130748949","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: 2
Measures to Improve Robustness of Primary Containment Vessel and Operation of Filtered Containment Venting System Based on the Lessons from the Containment Leak at Fukushima Dai-ichi Nuclear Power Station Unit 2 基于福岛第一核电站2号机组安全壳泄漏的教训提高主安全壳稳健性和过滤式安全壳排气系统运行的措施
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J15.018
S. Kawamura, S. Ooki, T. Narabayashi
{"title":"Measures to Improve Robustness of Primary Containment Vessel and Operation of Filtered Containment Venting System Based on the Lessons from the Containment Leak at Fukushima Dai-ichi Nuclear Power Station Unit 2","authors":"S. Kawamura, S. Ooki, T. Narabayashi","doi":"10.3327/TAESJ.J15.018","DOIUrl":"https://doi.org/10.3327/TAESJ.J15.018","url":null,"abstract":"Shinichi KAWAMURA, Suguru OOKI and Tadashi NARABAYASHI Nuclear Asset Management Department, Tokyo Electric Power Company, 1-1-3 Uchisaiwai-cho, Chiyoda-ku, Tokyo 100-8560, Japan R&D Department, TEPCO Research Institute, Tokyo Electric Power Company, 4-1 Egasaki-cho, Tsurumi-ku, Yokohama 230-8510, Japan Division of Energy and Environmental Systems, Graduate School of Engineering, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo 060-8628, Japan (Received September 29, 2015; accepted in revised form November 6, 2015; published online March 15, 2016)","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132211585","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
Testing of Multistep Soil Washing for Radiocesium-Contaminated Soil Containing Plant Matter 含植物放射性污染土壤的多级洗土试验
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J12.017
Masafumi Funakawa, A. Tagawa, Nobuyasu Okuda
{"title":"Testing of Multistep Soil Washing for Radiocesium-Contaminated Soil Containing Plant Matter","authors":"Masafumi Funakawa, A. Tagawa, Nobuyasu Okuda","doi":"10.3327/TAESJ.J12.017","DOIUrl":"https://doi.org/10.3327/TAESJ.J12.017","url":null,"abstract":"Masafumi FUNAKAWA1,, Akihiro TAGAWA2 and Nobuyasu OKUDA3 1Environmental Engineering Department Takenaka Corporation, 111 Shinsuna, Koto-ku, Tokyo 1360075, Japan 2Headquarters of Fukushima Partnership Operations, Japan Atomic Energy Agency, 222 Uchisaiwai-cho, Chiyoda-ku, Tokyo 1000011, Japan 3Takenaka Research and Development Institute, Takenaka Corporation, 151 Otsuka, Inzai-shi, Chiba 2701395, Japan (Received July 2, 2012; accepted in revised form August 22, 2012; published online October 31, 2012)","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"22 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114128026","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: 4
Estimation of I-131 Concentration Using Time History of Pulse Height Distribution at Monitoring Post and Detector Response for Radionuclide in Plume 利用监测站脉冲高度分布的时程和羽流中放射性核素的探测器响应估计I-131浓度
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J14.006
H. Hirayama, M. Kawasaki, H. Matsumura, T. Ohkura, Y. Namito, T. Sanami, Mitsumasa Taki, T. Oishi, M. Yoshizawa
{"title":"Estimation of I-131 Concentration Using Time History of Pulse Height Distribution at Monitoring Post and Detector Response for Radionuclide in Plume","authors":"H. Hirayama, M. Kawasaki, H. Matsumura, T. Ohkura, Y. Namito, T. Sanami, Mitsumasa Taki, T. Oishi, M. Yoshizawa","doi":"10.3327/TAESJ.J14.006","DOIUrl":"https://doi.org/10.3327/TAESJ.J14.006","url":null,"abstract":"Hideo HIRAYAMA1,, Masatsugu KAWASAKI2, Hiroshi MATSUMURA1, Takehisa OHKURA2, Yoshihito NAMITO1, Toshiya SANAMI1, Mitsumasa TAKI2, Tetsuya OISHI2 and Michio YOSHIZAWA2 1High Energy Accelerator Research Organization, 11 Oho, Tsukuba-shi, Ibaraki 3050801, Japan 2Nuclear Science Research Institute, Japan Atomic Energy Agency, 24 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 3191195, Japan (Received May 9, 2014; accepted in revised form July 2, 2014; published online August 7, 2014)","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114788768","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: 8
Survey of Living Environmental Land Contaminated with Radioactive Materials due to Fukushima Daiichi Nuclear Plant Accident 福岛第一核电站事故放射性物质污染生活环境土地调查
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.3327/TAESJ.J11.003
S. Hohara, M. Inagaki, Kiyoshige Kojima, H. Yamanishi, G. Wakabayashi, W. Sugiyama, T. Itoh
{"title":"Survey of Living Environmental Land Contaminated with Radioactive Materials due to Fukushima Daiichi Nuclear Plant Accident","authors":"S. Hohara, M. Inagaki, Kiyoshige Kojima, H. Yamanishi, G. Wakabayashi, W. Sugiyama, T. Itoh","doi":"10.3327/TAESJ.J11.003","DOIUrl":"https://doi.org/10.3327/TAESJ.J11.003","url":null,"abstract":"Radioactive materials were released to the general environment due to the accident at the Fukushima Daiichi nuclear power station. The released radioactive materials fell and contaminated the land mainly in the Tohoku and Kanto areas of Japan. We surveyed the air dose rate in relation to the pave condition of the land, and investigated the contamination level in some nonpaved areas at the center of Fukushima City, Koriyama City, and Nasushiobara City. From the survey results, the dose rates of the nonpaved areas were found to be higher than those of the paved areas, and the dose rates of the paved areas depend on the paving materials of the area. The contamination level of the nonpaved area in Nasushiobara City was below the regulation level of specific activities in a radiation-controlled area in Japan. However, the contamination levels in the nonpaved areas in Fukushima City and Koriyama City were above the regulation level.","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125966408","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: 3
Effects of Ground Surface Decontamination on the Air Radiation Dose Rate 地表净化对空气辐射剂量率的影响
Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4 Pub Date : 1900-01-01 DOI: 10.15669/fukushimainsights.vol.4.78
A. Tagawa
{"title":"Effects of Ground Surface Decontamination on the Air Radiation Dose Rate","authors":"A. Tagawa","doi":"10.15669/fukushimainsights.vol.4.78","DOIUrl":"https://doi.org/10.15669/fukushimainsights.vol.4.78","url":null,"abstract":"","PeriodicalId":121793,"journal":{"name":"Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 4","volume":"174 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130390381","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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