Improvement of Magnetic Flux Leakage Equipment for Oil Pipe Testing
摘 要
采用有限元法对油管漏磁检测装置进行优化设计。根据油管的特征参数和检测要求,设计直流线圈励磁型漏磁检测装置。建立了缺陷漏磁场的有限元仿真模型,研究了励磁线圈的形状、励磁电流对检测信号的影响,获得最佳的信噪比。提出了改善检测装置的端部效应,提高Hall探头检测灵敏度的两种改进措施,有效地提高了漏磁检测装置的检测能力。仿真数据同实验结果基本吻合,研究成果已经用在新一代油管漏磁检测设备的开发生产中。
Abstract
Finite element method(FEM) was used to optimize design of magnetic flux leakage testing(MFLT) equipment for oil pipe. According to the structural parameters and testing requirement of oil pipe, the finite element model of MFL field of defect was modeled. Parameters of the exciters were optimized to determine the operating point in saturation curves, and obtain the optimal signal-to-noise ratio. Two improvement methods were proposed, which decreased greatly the end effects and increased testing sensitivity of Hall sensors, respectively. The improvement effects were validated by experimental data as well. The research results have been used in developing new MFL equipment.
中图分类号 TG115.28 TN911
所属栏目 科研成果与学术交流
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收稿日期 2006/4/7
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备注杜志叶(1974-),男,博士,主要从事电磁场数值计算和漏磁检测方面的研究。
引用该论文: DU Zhi-ye,RUAN Jiang-jun,YU Shi-feng. Improvement of Magnetic Flux Leakage Equipment for Oil Pipe Testing[J]. Nondestructive Testing, 2007, 29(10): 560~565
杜志叶,阮江军,余世峰. 油管漏磁检测装置的改进研究[J]. 无损检测, 2007, 29(10): 560~565
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参考文献
【1】杜志叶.钢管漏磁检测装置优化设计及缺陷定量化评估技术研究[D]. 武汉:武汉大学,2007.
【2】Atherton D L. Magnetic inspection is key to ensuring safe pipelines[J]. Oil Gas,1989,87(32):52-61.
【3】汪友生,潘孟贤,何辅云.缺陷参数与漏磁信号相互关系的实验研究[J].合肥工业大学学报(自然科学版),1998,21(5):28-31.
【4】杜志叶,阮江军,王贤琴.基于Ansoft软件的钢管漏磁检测3d有限元仿真研究[J].无损检测,2005,27(6):281-285.
【5】Lord W. Application of numerical field modeling to electromagnetic methods of nondestructive testing[J]. IEEE Trans on mag,1983,19(6):2437-2442.
【6】Preis K, Bardi I, Biro O. Numerical analysis of 3D magnetostatic fields[J]. IEEE Trans on MAG,1991,27(6):3798-3803.
【7】李路明,郑 鹏,黄松岭,等.表面裂纹宽度对漏磁场Y分量的影响[J].清华大学学报(自然科学版),1999,39(2):43-45.
【8】Gwan Soo Park, Eun Sik Park. Improvement of the sensor system in magnetic flux leakage-type nondestructive testing (NDT)[J]. IEEE Trans on MAG,2002,38(2):1277-1280.
【2】Atherton D L. Magnetic inspection is key to ensuring safe pipelines[J]. Oil Gas,1989,87(32):52-61.
【3】汪友生,潘孟贤,何辅云.缺陷参数与漏磁信号相互关系的实验研究[J].合肥工业大学学报(自然科学版),1998,21(5):28-31.
【4】杜志叶,阮江军,王贤琴.基于Ansoft软件的钢管漏磁检测3d有限元仿真研究[J].无损检测,2005,27(6):281-285.
【5】Lord W. Application of numerical field modeling to electromagnetic methods of nondestructive testing[J]. IEEE Trans on mag,1983,19(6):2437-2442.
【6】Preis K, Bardi I, Biro O. Numerical analysis of 3D magnetostatic fields[J]. IEEE Trans on MAG,1991,27(6):3798-3803.
【7】李路明,郑 鹏,黄松岭,等.表面裂纹宽度对漏磁场Y分量的影响[J].清华大学学报(自然科学版),1999,39(2):43-45.
【8】Gwan Soo Park, Eun Sik Park. Improvement of the sensor system in magnetic flux leakage-type nondestructive testing (NDT)[J]. IEEE Trans on MAG,2002,38(2):1277-1280.
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