| 堆外探测器空间响应函数计算方法研究 |
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| 引用本文： | 卢亮,张乐福.堆外探测器空间响应函数计算方法研究[J].原子能科学技术,2015,49(12):2201-2204. |
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| 作者姓名： | 卢亮 张乐福 |
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| 作者单位： | 上海交通大学 核科学与工程学院，上海200240 |
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| 摘 要： | 通过堆外探测器空间响应函数与反应堆功率分布的内积可得到探测器电流。因此,获得堆外探测器的空间响应函数对堆外探测器电流信号的刻度和修正具有重要意义。本文利用二维输运计算程序DORT和基于ENDF/B-Ⅶ.1制作的多群数据库MATXS-47,采用求解共轭中子输运方程的方法对压水堆核电厂Indian Point 2的堆外探测器径向空间响应函数进行了计算,计算结果与文献值吻合,表明本文所采用的响应函数计算方法是正确的。
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| 关 键 词： | 堆外探测器 空间响应函数 DORT MATXS-47 共轭中子输运方程 |
Research on Calculation Method of Spatial Weighting Function for Ex-core Detector |
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| LU Liang,ZHANG Le-fu.Research on Calculation Method of Spatial Weighting Function for Ex-core Detector[J].Atomic Energy Science and Technology,2015,49(12):2201-2204. |
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| Authors: | LU Liang ZHANG Le-fu |
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| Affiliation: | School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China |
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| Abstract: | The electric current of ex-core detector can be obtained from the scalar product of the spatial weighting function and the core power distribution. In this paper, the transportation calculation code DORT was used to evaluate spatial weighting function of the ex-core detector in two-dimensional geometry, and the cross sections were generated with the nuclear data library MATXS-47, which is processed from ENDF/B-Ⅶ.1. Applying the method to the Indian Point 2, the radial spatial weighting functions were calculated. The calculation results agree well with the reference values. |
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| Keywords: | ex-core detector spatial weighting function DORT MATXS-47 adjoint neutron transport function |
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