ナトリウム冷却高速炉のための酸化物燃料ピンの照射挙動解析

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Author: 水野朋保ほか

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Publication date: 2013-05

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Note (General)：: A mixed oxide fuel pin concept with annular pellets and an oxide dispersion strengthened martensitic steel (ODS) cladding is a possible driver fuel fo...

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Summary, etc.：: A mixed oxide fuel pin concept with annular pellets and an oxide dispersion strengthened martensitic steel (ODS) cladding is a possible driver fuel fo...

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Material Type: 文書・図像類
Title: ナトリウム冷却高速炉のための酸化物燃料ピンの照射挙動解析
Author/Editor: 水野朋保
小山真一
皆藤威二
上羽智之
田中健哉
Author Heading: 水野朋保
小山真一
皆藤威二
上羽智之
田中健哉
Publication Date: 2013-05
Publication Date (W3CDTF): 2013-05
Alternative Title: Irradiation behavior analyses of oxide fuel pin for sodium-cooled fast reactors
Periodical title: JAEA-Technology 2013-005
Text Language Code: eng
Target Audience: 一般
Note (General): A mixed oxide fuel pin concept with annular pellets and an oxide dispersion strengthened martensitic steel (ODS) cladding is a possible driver fuel for commercialized Sodium-cooled fast reactor (SFR) core. The capability of annular MOX fuel pins with (U,Pu) oxide fuel and Am bearing oxide fuel under a high burnup condition was evaluated by a fuel performance analysis code CEDAR developed in JAEA. The fuel temperature profiles, fuel and cladding deformation profiles, and radial temperature distribution at EOL were evaluated. Those results show that the fuel pin had enough safety margin to fuel melting under the irradiation. Also, the profiles of pressure on the cladding inner surface and the cladding deformation after irradiation were evaluated. Those results show that the gap of the fuel pin at fabrication had enough width not to occur the considerable fuel-cladding mechanical interaction (FCMI).
中空ペレットを用いた混合酸化物(MOX)燃料と酸化物分散強化型マルテンサイト鋼(ODS)被覆管による燃料ピンは、実用化ナトリウム冷却高速炉(SFR)の有望な燃料概念である。(U,Pu)酸化物燃料とAm添加の酸化物燃料による中空ペレットを用いたMOX燃料ピンの高燃焼度条件への適用性について、原子力機構で開発した燃料ピン挙動解析コード"CEDAR"を用いて評価した。燃料温度履歴、被覆管変形履歴、照射末期の径方向温度分布を評価した結果、燃料ピンは照射中に燃料溶融に対して十分な裕度を持つことが示された。また、被覆管内圧履歴と照射後の被覆管変形プロファイルの評価結果から、製造時の燃料ピンギャップ幅が十分に設けられていることにより、燃料-被覆管機械的相互作用(FCMI)は顕著にならないことも示された。
Source: /JAEA-Technology-2013-005.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Technology-2013-005.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System