| 启明星Ⅱ快中子能谱区裂变率分布研究 |
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| 引用本文： | 王璠,朱庆福,陈效先,周琦,李航,权艳慧,刘洋.启明星Ⅱ快中子能谱区裂变率分布研究[J].原子能科学技术,2018,52(1):107-111. |
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| 作者姓名： | 王璠 朱庆福 陈效先 周琦 李航 权艳慧 刘洋 |
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| 作者单位： | 中国原子能科学研究院 反应堆工程技术研究部，北京102413 |
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| 摘 要： | 使用MCNP程序对启明星Ⅱ进行了裂变率分布的详细计算分析。根据理论计算的分布规律，优化了实验测量裂变率分布方案，合理布局了探测器位置。用固体核径迹探测器开展了启明星Ⅱ快中子能谱区裂变率分布的实验测量研究，确定了快中子能谱区的裂变率分布。测量结果显示：快中子能谱区裂变率分布与理论计算结果基本符合。测量结果对ADS次临界反应堆确定堆芯裂变功率提供了数据参考。
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| 关 键 词： | 启明星Ⅱ MCNP 固体核径迹 裂变率 |
Fission Rate Distribution Research for Venus Ⅱ Fast Neutron Spectrum Zone |
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| WANG Fan,ZHU Qingfu,CHEN Xiaoxian,ZHOU Qi,LI Hang,QUAN Yanhui,LIU Yang.Fission Rate Distribution Research for Venus Ⅱ Fast Neutron Spectrum Zone[J].Atomic Energy Science and Technology,2018,52(1):107-111. |
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| Authors: | WANG Fan ZHU Qingfu CHEN Xiaoxian ZHOU Qi LI Hang QUAN Yanhui LIU Yang |
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| Affiliation: | China Institute of Atomic Energy, P. O. Box 275-45, Beijing 102413, China |
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| Abstract: | The distributions of fission rate were fully calculated by Monte Carlo code MCNP. The measurement plans for fission rate distribution were optimized by theoretical results, and the detector locations were reasonably arranged. Solid state nuclear track detectors were employed to obtain the experimental results of fission rate distribution in fast neutron spectrum zone of Venus Ⅱ, and the fission rate distributions in fast neutron spectrum zone were confirmed. The results show that the measurement results agree well with the theoretical results, and they will be the experimental foundation to determine the fission power in ADS subcritical reactor core. |
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| Keywords: | Venus Ⅱ MCNP solid state nuclear track fission rate |
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