核电厂辐照监督管中子解谱程序2NP

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Neutron Spectrum Adjustment Code 2NP for Surveillance Capsule in Nuclear Power Plants

Department of Reactor Engineering Research and Design, China Institute of Atomic Energy, Beijing, 102413, China

摘要: 中子解谱方法是准确确定压力容器的中子注量的有效方法。本文研制了以广义最小二乘法为核心的中子解谱程序2NP,用于核电厂反应堆压力容器(RPV)中子注量的估计。通过对国际原子能机构(IAEA)发布的中子解谱例题ANO的验算,证明2NP具有较高的计算精度。
- 辐照监督管 /
- 中子解谱程序 /
- 广义最小二乘法
Abstract: Neutron spectrum adjustment is the effective method to estimate the neutron fluence in the nuclear power plant reactor pressure vessel（RPV）.The aim of this work is to develop the neutron spectrum adjustment code 2NP based on the generalized least squares method（GLSQM）,which will be used in neutron fluence estimation of RPV.The accuracy of the code 2NP have been proven by calculating the benchmark ANO issued by IAEA.
- Surveillance capsule /
- Neutron spectrum adjustment code /
- Generalized least squares method