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論文
316 ステンレス鋼の 低サイクル疲労き裂成長における環境効果
著者:
藤川 亮祐,Ryosuke FUJIKAWA,北田 孝典,Takanori KITADA,中村 隆夫,Takao NAKAMURA,釜谷 昌幸,Masayuki KAMAYA
発刊日:
公開日:
キーワードタグ:
The purpose of this study is to investigate environmental effects on low cycle fatigue crack growth of SUS316. Low cycle fatigue test and periodical observation on inner surface of a hollow specimen was conducted by developing new type of replica observation. The crack growth in PWR environment was measured and the investigation of environmental effects on crack initiation and propagation was conducted. Crack initiation rate of fatigue test in PWR environment is faster than in air condition. Crack pr...
英字タイトル:
Environmental Effect on Low Cycle Fatigue Crack Growth of SUS316
論文
原子力プラントにおけるレジリエンス評価法の開発 (その 3:レジリエンス指標の評価法と 適用性に関する検討)
著者:
鈴木 正昭,Masaaki SUZUKI,出町 和之,Kazuyuki DEMACHI,村上 健太,Kenta MURAKAMI,糸井 達哉,Tatsuya ITOI,笠原 直人,Naoto KASAHARA,宮野 廣,Hiroshi MIYANO,中村 隆夫,Takao NAKAMURA,荒井 滋喜,Shigeki ARAI,釜谷 昌幸,Masayuki KAMAYA,山口 篤憲,Atsunori YAMAGUCHI,松本 昌昭,Masaaki MATSUMOTO
発刊日:
公開日:
キーワードタグ:
We have developed a new index, called the resilience index, that evaluates the dynamic stability of the system safety of a nuclear power plant during a severe accident by considering the ability to recover system safety functions that have become lost in the situation. In this paper, a detailed evaluation procedure for the resilience index is described. The system safety of a PWR plant during a severe accident is then assessed according to the resilience index in order to discuss the applicability of ...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plants (Part 3: Study on Evaluation Method and Applicability of Resilience Index)
論文
原子力プラントにおけるレジリエンス評価法の開発 (その4:システム安全の考え方)
著者:
宮野 廣,Hiroshi MIYANO,山口 彰,Akira YAMAGUCHI,出町 和之,Kazuyuki DEMACHI,高田 孝,Takashi TAKATA,荒井 滋喜,Shigeki ARAI,杉山 直紀,Naoki SUGIYAMA
発刊日:
公開日:
キーワードタグ:
Abstract The total system design on Nuclear Plant ensures “Nuclear safety” with making practically achievable efforts to prevent and mitigate nuclear and radiological accidents. The performance based system design with “Defence in depth (D-I-D)” has been laid out as the key means in “preventing accidents”, “controlling escalation to serious consequences”, and “mitigating impact to the public”. D-I-D is extended to the management of severe accidents, and is an approach intended to provide protection a...
英字タイトル:
Development of Resilience Evaluation Method for Nuclear Power Plant (Part4: Concept of System Safety on Operating Nuclear Power Plants)
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