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ナトリウム-溶融塩熱交換器を有する蓄熱式高速炉の安全設計技術開発,5; 熱交換器伝熱性能向上策に関する検討

Development of safety design technologies for sodium-cooled fast reactor coupled to thermal energy storage system with sodium-molten salt heat exchanger, 5; Study on improvement of heat transfer performance of heat exchangers

林 正明*; 中原 宏尊*; 阿部 崇*; 松永 修平*; 白倉 翔太*; 山野 秀将   

Hayashi, Masaaki*; Nakahara, Hirotaka*; Abe, Takashi*; Matsunaga, Suhei*; Shirakura, Shota*; Yamano, Hidemasa

ナトリウム-溶融塩熱交換器を有する蓄熱式高速炉の安全設計技術開発の一環として、液体金属ナトリウムと硝酸系溶融塩との熱交換器形式の最適化及び伝熱向上策を検討している。選定した熱交換器の要素モデル伝熱流動解析を実施しており、本発表では解析結果に基づく伝熱特性評価について報告する。

As part of the development of safety design technologies for sodium-cooled fast reactor coupled to thermal energy storage system with nitrate molten salt heat exchanger, we are considering optimization of heat exchanger type and measures to improve heat transfer. We have conducted Computational Fluid Dynamics analyses with the partial model of the selected heat exchanger type. In this presentation we present the heat transfer performance based on the analyses results.

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