日本原子力学会誌
Online ISSN : 2186-5256
Print ISSN : 0004-7120
ISSN-L : 0004-7120
大型高速炉遮蔽解析手法の開発
JASPER(日米共同高速炉遮蔽実験)実験解析の成果
庄野 彰角田 弘和竹村 守雄半田 博之
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1996 年 38 巻 9 号 p. 760-770

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All experiments planned in the JASPER, Japanese-American Shielding Program for Experimental Research, had been conducted between 1986 and 1992 under the cooperation between the U.S. Department of Energy and Power Reactor and Nuclear Fuel Development Corporation of Japan to obtain useful information on FBR shielding analysis accuracy. Tower Shielding Facility (TSF) of Oak Ridge National Laboratory was utilized for all the measurements. Results obtained from the post-experimental analyses are summarized in this report. Both characteristics for bulk shielding attenuation and streaming of neutron through configurations consisting of several materials including boron-carbide (B4C), graphite, stainless steel, sodium and etc. were clarified and the analysis accuracy confirmed. Prediction accuracy in both shielding property for configuration containing fissile material and sodium activation characteristics was confirmed. The shielding analysis system for fast reactors using a 2-dimensional discrete ordinates code as a standard has been improved and verified. Through those activities, useful information to be utilized in designing large FBR is accumulated.

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© by the Atomic Energy Society of Japan
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