Approximate Calculation Method for Second Order Sensitivity Coefficient.
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概要
- 論文の詳細を見る
A simple method has been developed for calculating the second order sensitivity coefficient of static and burnup-dependent core performance parameters. The method is applied to a small and a large fast breeder reactors. Changes in core performance parameters due to 10% cross section changes are compared with that predicted by the first and the second order sensitivity analyses. Numerical results reveal that the changes in breeding ratio, reaction rate ratio of the <SUP>238</SUP>U capture to the <SUP>239</SUP>Pu fission rate and burnup reactivity loss due to the 10% change in the <SUP>239</SUP>Pu fission cross section and/or the <SUP>239</SUP>Pu ν-value show nonlinear behavior, and the second order sensitivity can predict the changes accurately.
- 一般社団法人 日本原子力学会の論文
著者
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Matsumoto Kazuhisa
Department Of Cardiovascular Surgery Kagoshima University Graduate School Of Medical And Dental Scie
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Takeda Toshikazu
Department of Nuclear Energy, Graduate School of Engineering, Osaka University
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MATSUMOTO Kazuhisa
Department of Nuclear Engineering, Faculty of Engineering, Osaka University
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MASUDA Tomoaki
Department of Nuclear Engineering, Faculty of Engineering, Osaka University
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