軽水炉におけるMOX燃料の燃焼; MOX燃料を軽水炉に装荷する前の履歴によるハルエンドピース廃棄体地層処分への熱影響 Burning of MOX fuels in LWRs ; fuel history effects on thermal properties of hull and end piece wastes and the repository performance

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著者

    • INAGAKI Yaohiro
    • Department of Applied Quantum Physics and Nuclear Engineering, Graduate School of Engineering, Kyushu University
    • IWASAKI Tomohiko
    • Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University
    • OHE Toshiaki
    • Department of Nuclear Engineering, School of Engineering, Tokai University
    • KATO Kazuyuki
    • Nuclear Power Department, The Federation of Electric Power Companies
    • NAGASAKI Shinya
    • Nuclear Professional School, Graduate School of Engineering, The University of Tokyo
    • NIIBORI Yuichi
    • Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University

抄録

The thermal impacts of hull and end piece wastes from the reprocessing of MOX spent fuels burned in LWRs on repository performance were investigated. The heat generation rates in MOX spent fuels and the resulting heat generation rates in hull and end piece wastes change depending on the fuel histories including the burn-up of UO2 spent fuels, the cooling period before reprocessing, the storage period of fresh MOX fuels. The heat generation rates of hull and end piece wastes from the reprocessing of MOX spent fuels with any of those histories are significantly larger than those from UO2 spent fuels with burn-ups of 45 GWd/THM. If a temperature below 80circC is specified for cement-based materials used in waste packages after disposal, the allowable number of canisters containing compacted hull and end pieces in a package for 45 GWd-MOX needs to be limited to a value of 0.7 to 1.6, which is significantly lower than the value of 4.0 for 45 GWd-UO2.著者所属: 日本原子力研究開発機構(JAEA)

収録刊行物

  • Journal of nuclear science and technology

    Journal of nuclear science and technology 49(3), 310-319, 2012-04-01

    Taylor & Francis

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各種コード

  • NII論文ID(NAID)
    10030137320
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    023637098
  • NDL 請求記号
    Z78-A749
  • データ提供元
    CJP書誌  NDL  IR 
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