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压水堆堆芯三维功率分布在线监测程序NECP-ONION

发布时间:2018-03-14 14:31:34    点击量:


NECP-ONION程序实现根据堆芯状态参数及探测器信号实时获取堆芯功率分布的功能。三种在线监测方法可供使用,样条函数法、谐波展开法及最小二乘法。程序主要功能包括探测器测量信号处理、扩散方程求解、功率分布监测及敏感性与不确定性分析等。NECP-ONION程序进行了大量的验证,基于典型压水堆堆芯的不同验证算例实现与扩散计算比较及与实测结果比较,程序具有良好的计算精度和计算速度。

程序部分计算结果示意图

相关文章发表:

1. Zhuo Li, Liangzhi Cao, Hongchun Wu, Wei Shen, Yong Liu, Chenghui Wan. Sensitivity and uncertainty analysis for the PWR online power-distribution monitoring with NECP-ONION system[J]. Annals of Nuclear Energy. 114(2018) 359-368.

2. Zhuo Li, Liangzhi Cao, Hongchun Wu, Yunzhao Li, Zhouyu Liu, Wei Shen, Wen Yang. Development and validation of a PWR on-line power-distribution monitoring system NECP-ONION[J]. Nuclear Engineering and Design. 322(2017) 104-115.

3. Zhuo Li, Liangzhi Cao, Hongchun Wu, Wei Shen. Sensitivity analysis for the weighting factor in the least-square method for the PWR on-line power-distribution monitoring[J]. Annals of Nuclear Energy. 109(2017) 675-683.

4. Zhuo Li, Hongchun Wu, Liangzhi Cao, Chao Tian, Dingyong Chen. On-line monitoring analysis of BEAVRS benchmark using NECP-ONION[C]. The Physics of Reactor Conference (PHYSOR2016), Sun Valley, Idaho, USA. May 1-5, 2016.

5. Zhuo Li, Hongchun Wu, Liangzhi Cao, Youqi Zheng, Yunzhao Li, Kunpeng Wang. 3D PWR power distribution on-line monitoring based on harmonics expansion[C]. 23rd International Conference on Nuclear Engineering (ICONE23), Chiba, Japan. May 17-22, 2015.

6. Liangzhi Cao, Zhuo Li, Hongchun Wu, Chenghui Wan. Uncertainty analysis for on-line power-distribution monitoring based on NECP-ONION[C]. Transactions of the American Nuclear Society, Washington DC, USA. Oct. 29 - Nov. 2, 2017.

7. 李茁,吴宏春,曹良志,李云召. 基于谐波展开法的压水堆堆芯功率分布在线监测[J]. 核动力工程,36(5): 165-168, 2015.