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高速炉蒸気発生器における伝熱管破損事象に関する研究,38; 長時間事象進展解析手法の開発

Study on sodium-water reaction phenomena in steam generator of sodium-cooled fast reactor, 38; Development of long-term leak enlargement and propagation analysis code

浜田 広次; 内堀 昭寛; 大島 宏之

Hamada, Hirotsugu; Uchibori, Akihiro; Ohshima, Hiroyuki

蒸気発生器(SG)伝熱管破損時の安全評価を目的として、長時間事象進展解析コード(LEAP-III)の開発を進めている。LEAP-IIIへ組み込んだ高温ラプチャ評価モデルを用いた試解析を実施し、実験結果の再現性を評価した。

For the purpose of a safety evaluation of heat transfer tube failure in the FBR steam generator, the long-term leak enlargement and propagation analysis code (LEAP-III) is under development. A model of overheating tube rupture was incorporated into LEAP-III and LEAP-III was applied to an analysis of SWAT-3 test to evaluate the applicability of the code.

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