基于有限元法的涡流传感器设计
Design of Eddy Current Sensor Based on Finite Element Method
摘 要
针对某特殊形状输油管的涡流检测需求，提出了弧形线圈涡流探头的设计思路。建立了输油管及探头的有限元模型，实现了单个线圈不同尺寸、不同匝数、不同激励频率下试件有/无裂纹情况下阻抗的仿真计算，给出了阻抗相对变化率。试验结果表明，有限元仿真研究与实际结果有较好的一致性，可用于指导特殊涡流传感器的设计。
裂纹
有限元法
传感器设计
Eddy current testing
Flaw
Finite element method
Sensor design
Abstract
The eddy current sensor must be designed to meet the requirement of special eddy current testing. A new kind of arc eddy current sensor was proposed in terms of the definite test object. A 3-D accurate electromagnetic model was established with finite element method. The impedance of check-coil was calculated based on the finite element numerical simulation in different cases, such as variable parameters of coil, different excited frequency with flaw or flawless in test workpiece. Finally, the experimental results was presented, and the results from experiment and finite element analysis were in agreement very well by comparison.
中图分类号 TP212.13 TG115.28
所属栏目 科研成果与学术交流
基金项目 国防预研基金(5317030109)
收稿日期 2007/11/24
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备注唐 莺(1971-)，女，博士研究生，研究方向为电磁无损检测。
引用该论文: TANG Ying,LUO Fei-Lu,PAN Meng-Chun,CHEN Di-Xiang. Design of Eddy Current Sensor Based on Finite Element Method[J]. Nondestructive Testing, 2008, 30(11): 804～806
唐 莺,罗飞路,潘孟春,陈棣湘. 基于有限元法的涡流传感器设计[J]. 无损检测, 2008, 30(11): 804～806
被引情况:
【1】杜金强,施越红,何宇廷, "裂纹长度和提离距离对涡流阵列传感器输出特性的影响",无损检测 37, 36-39(2015)
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参考文献
【1】任吉林，林俊明，高春法.电磁检测[M].北京：机械工业出版社，2000.
【2】贾永平，丁天怀，王 鹏.曲面间隙电涡流检测的有限元分析[J].传感技术学报,2005,18(2):221-224.
【3】陈德智，邵可然.管道裂纹涡流检测线圈阻抗信号的快速仿真[J].电工技术学报,2000,15(6):75-78.
【4】孙朝明，徐彦霖，刘 宝.涡流检测的数值模拟与缺陷定量分析[J].工具技术,2007,41(1):107-110.
【5】美国无损检测学会.美国无损检测手册·电磁卷(上册)[M].美国无损检测手册译审委员会,译.上海：世界图书出版社,1999:78-106.
【6】Yusa N, Stephane Perrin, Kazue Mizuno, et al. Numerical modeling of general cracks from the viewpoint of eddy current simulations[J]. NDT&E,2007,(4):1-7.
【7】Yann Le Bihan. 3-d finite-element analysis of eddy-current evaluation of curved plates[J]. IEEE Transaction on Magnetics,2002,38(2):1161-1164.
【2】贾永平，丁天怀，王 鹏.曲面间隙电涡流检测的有限元分析[J].传感技术学报,2005,18(2):221-224.
【3】陈德智，邵可然.管道裂纹涡流检测线圈阻抗信号的快速仿真[J].电工技术学报,2000,15(6):75-78.
【4】孙朝明，徐彦霖，刘 宝.涡流检测的数值模拟与缺陷定量分析[J].工具技术,2007,41(1):107-110.
【5】美国无损检测学会.美国无损检测手册·电磁卷(上册)[M].美国无损检测手册译审委员会,译.上海：世界图书出版社,1999:78-106.
【6】Yusa N, Stephane Perrin, Kazue Mizuno, et al. Numerical modeling of general cracks from the viewpoint of eddy current simulations[J]. NDT&E,2007,(4):1-7.
【7】Yann Le Bihan. 3-d finite-element analysis of eddy-current evaluation of curved plates[J]. IEEE Transaction on Magnetics,2002,38(2):1161-1164.
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