Tsuyoshi ITO
著者に関連した記事は8件です。
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第12回
低所用ドライアイスブラスト除染装置の開発
著者:
酒井 仁志,Hitoshi SAKAI,金田 雅之,Masayuki KANEDA,齊藤 真拡,Masahiro SAITO,佐藤 光吉,Mitsuyoshi SATO,佐藤 勝彦,Katsuhiko SATO,矢板 由美,Yumi YAITA
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decommissioning decontamination dry-ice blast fukushima daiichi nuclear power station remote decontamination vehicle
酒井 仁志,Hitoshi SAKAI,金田 雅之,Masayuki KANEDA,齊藤 真拡,Masahiro SAITO,佐藤 光吉,Mitsuyoshi SATO,佐藤 勝彦,Katsuhiko SATO,矢板 由美,Yumi YAITA
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decommissioning decontamination dry-ice blast fukushima daiichi nuclear power station remote decontamination vehicle
Various activities were doing for the decommissioning of Fukushima Daiichi nuclear power station. In present, activities are limited by remote operation or short time manual operation, because these areas are still high radiation rate. In this situation, it is expected to reduce the radiation rate of these areas by the decontamination, shielding and removal radiation souses, et al. At the national project “Development of remote decontamination technology for reactor building”, we selected adoptable de...
英字タイトル:
Development of Remote Dry-ice Blast Decontamination Vehicle for the lower part of the Reactor Building such as floor and wall
英字タイトル:
Development of Remote Dry-ice Blast Decontamination Vehicle for the lower part of the Reactor Building such as floor and wall
第8回
円管内オリフィス背後の物質輸送現象に関する研究 -シュミット数の影響-
著者:
佐藤 祐紀,Yuki SATO,山縣 貴幸,Takayuki YAMAGATA,伊藤 晃宏,Akihiro ITO,藤澤 延行,Nobuyuki FUJISAWA,高野 剛,Tsuyoshi TAKANO
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公開日:
キーワードタグ:
Flow accelerated corrosion Mass transfer Orifice Pipe wall thinning Schmidt number
佐藤 祐紀,Yuki SATO,山縣 貴幸,Takayuki YAMAGATA,伊藤 晃宏,Akihiro ITO,藤澤 延行,Nobuyuki FUJISAWA,高野 剛,Tsuyoshi TAKANO
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Flow accelerated corrosion Mass transfer Orifice Pipe wall thinning Schmidt number
In this paper, experimental and numerical studies are carried out to understand the pipe-wall thinning caused by the flow accelerated corrosion behind an orifice in a circular pipe. The measurement of mass transfer coefficient is carrie d out using a wall material of benzoic acid in a water flow, which allows the measurement of mass transfer behind the orifice in a circular pipe at Schmidt number 300 and 700, which is comparatively close to the actual condition in the prototype pipeline of nuclear power pl...
英字タイトル:
Study on Mass Transfer Phenomenon behind an Orifice in a Circular Pipe - Effect of Schmidt Number -
英字タイトル:
Study on Mass Transfer Phenomenon behind an Orifice in a Circular Pipe - Effect of Schmidt Number -
第11回
化学除染後のPt 付着処理による放射能再付着抑制方法の開発
著者:
細川 秀幸,Hideyuki HOSOKAWA,伊藤 剛,Tsuyoshi ITO,大橋 利正,Ohashi TOSHIMASA,長瀬 誠,Makoto NAGASE
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chemical decontamination coat platinum recontamination
細川 秀幸,Hideyuki HOSOKAWA,伊藤 剛,Tsuyoshi ITO,大橋 利正,Ohashi TOSHIMASA,長瀬 誠,Makoto NAGASE
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chemical decontamination coat platinum recontamination
Noble metal chemical addition (NMCA) technology has been widely adopted for BWR plants in the US as a means to mitigate stress corrosion cracking (SCC). Dose rate of the reactor water recirculation system piping of some BWR plants that apply a combination of NMCA and zinc injection technology have gradually decreased. Chemical decontamination removes 60Co, but also the noble metal from the piping surfaces. Thus, effect of dose rate reduction by NMCA is decreased in the plant operating period after che...
英字タイトル:
Development of suppression method for deposition of radioactive nuclides after chemical decontamination by platinum deposition treatment
英字タイトル:
Development of suppression method for deposition of radioactive nuclides after chemical decontamination by platinum deposition treatment
第7回
導管の次世代保安向上新技術調査・評価事業
著者:
樋口 裕思,Yuji HIGUCHI,木林 哲也,Tetsuya KIBAYASHI,白土 忠人,Tadahito SIRATO,重田 隆弘,Takahiro SHIGETA,石川 雅章,Masaaki ISHIKAWA,橋本 義和,Yishikazu HASHIMOTO,渡辺 剛史,Tsuyoshi WATANABE,平井 稔雄,Toshio HIRAI,安達 俊彰,Toshiaki ADACHI,桑原 元希,Motoki KUWAHARA,長沢 圭介,Keisuke NAGASAWA,綱崎 勝,Masaru TSUNASAKI,枇杷友 啓郎,Yoshirou BIWATOMO,古野 俊秋,Toshiaki FURUNO
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Gas Distribution Maintenance New technologies Pipeline
樋口 裕思,Yuji HIGUCHI,木林 哲也,Tetsuya KIBAYASHI,白土 忠人,Tadahito SIRATO,重田 隆弘,Takahiro SHIGETA,石川 雅章,Masaaki ISHIKAWA,橋本 義和,Yishikazu HASHIMOTO,渡辺 剛史,Tsuyoshi WATANABE,平井 稔雄,Toshio HIRAI,安達 俊彰,Toshiaki ADACHI,桑原 元希,Motoki KUWAHARA,長沢 圭介,Keisuke NAGASAWA,綱崎 勝,Masaru TSUNASAKI,枇杷友 啓郎,Yoshirou BIWATOMO,古野 俊秋,Toshiaki FURUNO
発刊日:
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キーワードタグ:
Gas Distribution Maintenance New technologies Pipeline
The aim of this study is to research and evaluate new technologies i n the world from the point of view to improve the safety and securi ty of pipeline for gas distribution toward the next generation which can practice the productive maintenance and preventive maintenance....
英字タイトル:
Research and Evaluation of New Technologies to Improve the Maintenance of Pipeline for GasDistribution toward the Next Generation
英字タイトル:
Research and Evaluation of New Technologies to Improve the Maintenance of Pipeline for GasDistribution toward the Next Generation
第6回
導管の次世代保安向上新技術調査・評価事業
著者:
樋口 裕思,Yuji HIGUCHI,木林 哲也,Tetsuya KIBAYASHI,白土 忠人,Tadahito SIRATO,一重田 隆弘,Takahiro SHIGETA,石川 雅章,Masaaki ISHIKAWA,渡辺 剛史,Tsuyoshi WATANABE,今川 隆,Takashi IMAGAWA,平井 稔雄,Toshio HIRAI,桑原 元希,Motoki KUWAHARA,原 裕司,Yuji HARA,長沢 圭介,Keisuke NAGASAWA,綱崎 勝,Masaru TSUNASAKI,枇杷友 啓郎,Yoshirou BIWATOMO,古野 俊秋,Toshiaki FURUNO
発刊日:
公開日:
キーワードタグ:
Gas Distribution Maintenance New technologies Pipeline
樋口 裕思,Yuji HIGUCHI,木林 哲也,Tetsuya KIBAYASHI,白土 忠人,Tadahito SIRATO,一重田 隆弘,Takahiro SHIGETA,石川 雅章,Masaaki ISHIKAWA,渡辺 剛史,Tsuyoshi WATANABE,今川 隆,Takashi IMAGAWA,平井 稔雄,Toshio HIRAI,桑原 元希,Motoki KUWAHARA,原 裕司,Yuji HARA,長沢 圭介,Keisuke NAGASAWA,綱崎 勝,Masaru TSUNASAKI,枇杷友 啓郎,Yoshirou BIWATOMO,古野 俊秋,Toshiaki FURUNO
発刊日:
公開日:
キーワードタグ:
Gas Distribution Maintenance New technologies Pipeline
The aim of this study is to research and evaluate new technologies in the world from the point of view to improve the safety and security of pipeline for gas distribution toward the next generation which can practice the productive maintenance and prevent ive maintenance. ...
英字タイトル:
Research and Evaluation of New Technologies to Improve the Maintenance of Pipeline for GasDistribution toward the Next Generation
英字タイトル:
Research and Evaluation of New Technologies to Improve the Maintenance of Pipeline for GasDistribution toward the Next Generation
第7回
循環水配管の健全性評価
著者:
國友 良浩,Yoshihiro KUNITOMO,平田 剛,Tsuyoshi HIRATA,寺前 哲夫,Tetsuo TERAMAE
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Circulating water pipe Deformation Evaluation of soundness Niigata-ken Chuetsu-Oki Earthquake
國友 良浩,Yoshihiro KUNITOMO,平田 剛,Tsuyoshi HIRATA,寺前 哲夫,Tetsuo TERAMAE
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Circulating water pipe Deformation Evaluation of soundness Niigata-ken Chuetsu-Oki Earthquake
After Niigata-ken Chuetsu-Oki Earthquake happened, some deformations were found at buried part s of circulating water pipes at Kashiwazaki-Kariwa Nuclear Power Plants. We had evaluated the soundness of deformed pipes, and concluded that the degree of deformations is small enough to use these pipes continuously. In this paper, some results of these evaluations are described....
英字タイトル:
Evaluation of Soundness for Circulating Water Pipes
英字タイトル:
Evaluation of Soundness for Circulating Water Pipes
論文
流動加速腐食による配管減肉に関する研究 (旋回流とオリフィス偏心の組み合わせ効果による物質輸送現象)
著者:
高野 剛,Tsuyoshi TAKANO,山縣 貴幸,Takayuki YAMAGATA,伊藤 嘉人,Yoshito ITO,藤澤 延行,Nobuyuki FUJISAWA
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キーワードタグ:
Flow accelerated corrosion Mass transfer Nuclear power generation Orifice Pipe-wall thinning Swirling flow
高野 剛,Tsuyoshi TAKANO,山縣 貴幸,Takayuki YAMAGATA,伊藤 嘉人,Yoshito ITO,藤澤 延行,Nobuyuki FUJISAWA
発刊日:
公開日:
キーワードタグ:
Flow accelerated corrosion Mass transfer Nuclear power generation Orifice Pipe-wall thinning Swirling flow
In this paper, pipe-wall thinning phenomenon behind an orifice in a circular pipe is studied by measuring the mass transfer coefficient along the pipe wall by naphthalene sublimation method. An attention is placed on the asymmetrical pipe-wall thinning phenomenon behind an orifice under the influence of swirling flow and allowable orifice bias. The present measurement indicates that the mass transfer coefficient becomes asymmetric about the pipe axis behind the orifice in certain combinations of swirl...
英字タイトル:
Investigation on Pipe-wall Thinning by Flow-accelerated Corrosion (Mass Transfer Phenomenon by Combined Effect of Swirling Flow and Orifice Bias)
英字タイトル:
Investigation on Pipe-wall Thinning by Flow-accelerated Corrosion (Mass Transfer Phenomenon by Combined Effect of Swirling Flow and Orifice Bias)
第13回
福島第一原子力発電所使用済燃料プール貯蔵燃料及び燃料デブリ取出しに向けた取り組み
著者:
東倉 一郎,Ichiro TOKURA,篠崎 史人,Fumihito SHINOZAKI,鈴木 淳,Jun SUZUKI,浦西 敦義,Atsuyoshi URANISHI,大和 正樹,Masaki YAMATO,宮本 哲昌,Akimasa MIYAMOTO
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Debris Investigation of Primary Containment Vessel (PCV) interior Removal Spent Fuel Pool (SFP)
東倉 一郎,Ichiro TOKURA,篠崎 史人,Fumihito SHINOZAKI,鈴木 淳,Jun SUZUKI,浦西 敦義,Atsuyoshi URANISHI,大和 正樹,Masaki YAMATO,宮本 哲昌,Akimasa MIYAMOTO
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Debris Investigation of Primary Containment Vessel (PCV) interior Removal Spent Fuel Pool (SFP)
Toshiba and TEPCO completed the removal of large debris from the spent fuel pool (SFP) in November 2015. The large debris had been an obstacle to start the fuel debris removal work and had been necessary to be removed quickly in terms of risk reduction. Continuously, Toshiba and TEPCO are preparing for removal of small debris and spent fuels. Also, Toshiba and IRID are investigating of PCV interior and working in research and development to determine construction methods considering amount, location an...
英字タイトル:
Effort aimed at removal of stored fuels from SFP and fuel debris inside PCV in Fukushima Daiichi Nuclear Power Station
英字タイトル:
Effort aimed at removal of stored fuels from SFP and fuel debris inside PCV in Fukushima Daiichi Nuclear Power Station