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A Conceptual design study of pool-type sodium-cooled fast reactor with enhanced anti-seismic capability

耐震強化型ナトリウム冷却タンク型炉の検討

久保 重信; 近澤 佳隆; 大島 宏之; 内田 昌人*; 宮川 高行*; 衛藤 将生*; 鈴野 哲司*; 的場 一洋*; 遠藤 淳二*; 渡辺 収*; 日暮 浩一*

Kubo, Shigenobu; Chikazawa, Yoshitaka; Ohshima, Hiroyuki; Uchida, Masato*; Miyagawa, Takayuki*; Eto, Masao*; Suzuno, Tetsuji*; Matoba, Ichiyo*; Endo, Junji*; Watanabe, Osamu*; Higurashi, Koichi*

日本におけるNa冷却高速炉の炉型選択の幅を広げ、国際協力のメリットを追求する観点から、本研究では、第4世代炉の安全設計クライテリア及びガイドラインを満足し、かつ地震条件等の我が国特有の環境条件への適合性を有するタンク型の設計概念の構築を進めていた。電気出力を650MWeとし、高速増殖炉サイクルシステムの実用化戦略調査研究及び実用化研究開発を通じて開発された先進ループ型のJSFRの技術及び福島第一原子力発電所事故の教訓を踏まえた安全向上技術等を反映して原子炉構造概念を構築するとともに、耐震性と耐熱性に関する評価を実施した。

The authors are developing the design concept of pool-type sodium-cooled fast reactor (SFR) that addresses Japan's specific siting conditions such as earthquakes and meets safety design criteria (SDC) and safety design guidelines (SDGs) for Generation IV SFRs. The development of this concept will broaden not only options for reactor types in Japan but also the range and depth of international cooperation. A design concept of 1,500 MWt (650 MWe) class pool-type SFR was thought up by applying design technology obtained from the design of advanced loop-type SFR, named JSFR, equipped with safety measures that reflect results from the feasibility study on commercialized fast reactor cycle systems and fast reactor cycle technology development, improved maintainability and repairability, and lessons learned from the Fukushima Daiichi Nuclear Power Plants accident.

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