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RPV辐照脆化巴克豪森噪声检测的二维仿真 预览

2-Dimensional Simulation of RPV Irradiation Barkhausen Noise Testing
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摘要 采用巴克豪森噪声检测法对核反应堆压力容器(RPV)的辐照脆化进行预测与评估,针对传统的巴克豪森噪声检测磁化装置不足和RPV试件尺寸问题,设计了一套专用于RPV辐照脆化检测的磁化装置。为了验证RPV辐照脆化检测系统中磁化装置的可行性,利用Ansoft软件建立磁化装置的二维仿真模型。通过仿真结果对RPV辐照脆化检测系统的磁化装置及激励信号等参数进行优化,对提高RPV辐照脆化检测的准确性有重要意义。 Irradiation embrittlement is an important cause of nuclear reactor pressure vessel(RPV)aging.This paper uses Barkhausen noise detection method to do prediction and assessment on RPV irradiation embrittlement.Focus shall be put on traditional Barkhausen noise detection equipment's deficiency and RPV specimen size problems.This paper designs a magnetizing assembly exclusively used in RPV irradiation embrittlement testing.The work is to take advantage of ansoft software to establish 2-D dimensional simulation model on magnetizing assembly to verify the feasibility of magnetizing assembly in RPV irradiation embrittlement testing system.Analysis on simulation results helps optimize magnetizing assembly in RPV irradiation embrittlement testing system and the parameters such as excitation signal.Theory guides practice.This has a great significance in improving detecting accuracy of RPV irradiation embrittlement.
作者 徐忠 吴凌云 王海涛 郑凯 樊明亮 钱王洁 刘向兵 XU Zhong , WU Ling-yun , WANG Hai-tao , ZHENG Kai , FAN Ming-liang , QIAN Wang-jie , LIU Xiang-bing (1.Special Equipment Safety Supervision Inspection Institute of Jiangsu Province, Nanjing 210036, China; 2.College of Automation, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; 3.Suzhou Nuclear Power Research Institute, Suzhou 27,5004, China)
出处 《无损检测》 2015年第11期2-4,63共4页 Nondestructive Testing
基金 国家质量监督检验检疫总局公益性行业科研专项资助项目(201510068) 江苏省科技厅资助项目(BE2015725) 苏州市科技局资助项目(SYG201341) 国家安监局关键技术资助项目(0143-2014AQ)
关键词 辐照脆化 RPV 巴克豪森噪声 有限元 Irradiation embrittlement RPV Barkhausen noise Finite element
作者简介 徐忠(1966-),男,本科,高级工程师,主要从事锅炉制造、安装的监督检验和在用定期检验工作。
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