油气输送管道漏磁检测的有限元分析  

Analysis of FEA in Ma gnetic Flux Leakage Detecting of Oil and Gas Transport Pipeline Network

作　　者：李明忠[1] 丁克勤[1] 张有忱[1] 

机构地区：[1]北京化工大学

出　　处：《油气储运》2003年第5期14-17,共4页Oil & Gas Storage and Transportation

基　　金：科技部科研院所社会公益研究专项资金项目(G0 0 -Z0 3)

摘　　要：叙述了电磁场有限元分析的理论基础 ,给出了油气输送管道漏磁检测中的漏磁场 ,用ANSYS软件包对具体实例进行了分析 ,得到了漏磁场的空间分布、磁感应强度及漏磁信号图等。分析结果有助于全面认识空间中漏磁场 。This article discusses the fundamental FEA theory of electricity magnetic fi eld.The magnetic flux leakage field in MFL detecting in oil and gas transport pipeline is described,a nd a special example is analyzed with ANSYS software.The space distribution,the strength of magnetic indu ction,the signal chart of magnetic flux leakage field are gained。The work mentioned above is helpful to u nderstand the magnetic flux leakage field in the space.The foundation of quantitative detection of def ects in oil and gas transport pipeline is established.

关 键 词：油气输送管道 漏磁检测 有限元分析 电磁场 缺陷定量化检测 

分 类 号：TE973.6[石油与天然气工程—石油机械设备]