第17回
島根原子力発電所1号機 廃止措置の状況
著者:
山本 直樹,野崎 誠,宮前 和寿,池田 信二,池田 和彦,作野 達雄,(中国電力)
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The Chugoku Electric Power Co., Inc. decided to decommission Unit 1(460 MW) at Shimane Nuclear Power Station on March 18, 2015 and the plant ended commercial operation on April 30 of the same year. After drawing up a concrete decommissioning plan, we submitted it for approval to the Nuclear Regulatory Authority on July 4, 2016. The plan was approved on April 19, 2017, and we are now at the stage of decommissioning the plant. This report outlines the decommissioning plan and the status of decommissioning wor...
英字タイトル:
Shimane Nuclear Power Station Unit1 How to proceed with decommissioning
第17回
島根原子力発電所2号機におけるブローアウトパネル 閉止装置について
著者:
三村 秀行,荒芝 智幸,加藤 広臣,高野 真太朗,中島 大志,(中国電力)
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It is required to install a blowout panel re-closing device (BOPS) as a facility for dealing with severe accidents in order to comply with Article 59 of the examination criteria of nuclear reactor establishment permission. The purpose of the BOPS is to close the opening of the reactor building when the blowout panel on the fuel replacement floor of the reactor building opens in the event of a serious accident, etc., and the reactor building boundary is formed to suppress the leakage of radioactive materials...
英字タイトル:
Blowout panel re-closing device at Shimane Nuclear Power Station Unit 2
第17回
火力発電プラント配管の破断余寿命診断のデジタルツイン
著者:
高橋 陸,木谷 悠二,小野 進,(大坂府立大),西田 秀高,(中国電力),西ノ入 聡,(電中研),生島 一樹,柴原 正和,(大阪府立大)
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In recent years, there has been a growing demand for power generation from renewable energy sources. However, power generation from renewable energy sources is characterized by the fact that it is highly dependent on weather conditions, and thermal power generation requires large changes in output to adjust power. The sudden changes in temperature and strain that occur during this process have a significant impact on the remaining life of the equipment. In this study, we developed a system to identify inter...
英字タイトル:
Digital Twin for Fracture Life Expectancy Diagnosis of Thermal Power Plant Pipe
第15回
過酷事故時の溶融デブリによるコンクリートの熱的 劣化とセラミックスの熱耐性に関する実験的研究
著者:
奈良林 直,(東工大),晴山 隆仁,(北海道庁),千葉 豪,(北海道大),林 司,(中国電力),今野 隆博,(日立GE),山口 篤憲,(保全学会)
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In Fukushima accident on 2011, molten core supposed to be leaked on the concreate floor in containment vessel. Development of small type of core catcher which can be installed in operating nuclear power plant is needed. In this investigation, the thermal deterioration of concreate and Magnesia-Carbon brick observed trough surface observation by microscope and measurement of compressive strength, weight reduction, and difference of void ratio. In addition, permeability measurement for burned concreate was op...
英字タイトル:
Study on Thermal Deterioration of Concreate and Thermal durability of Ceramics