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- PIPE DEFECT MAGNETIC FLUX LEAKAGE FIELD AND ANALYSIS OF FACTORS INFLUENCING MAGNETIC FLUX LEAKAGE SIGNALS 钢管缺陷漏磁场及影响漏磁信号因素的分析
- Keywords Columniform surface corrosion defect;Magnetic flux leakage field;3D finite element analysis;Dynamic simulation; 圆柱形体表面腐蚀缺陷;漏磁场;三维有限元分析;动态模拟;
- Flux leakage field 磁通泄漏场
- magnetic flux leakage field 漏磁场
- Bottom tank inspection using magnetic flux leakage technique. 使用磁通量渗漏技术进行储罐底部检测。
- Low magnetic flux leakage avoids influence the magnetic sensitive samples under test. 机体漏磁隔离效果佳,避免干扰测试产品。双重悬吊系统,寿命在半永久性。
- The alternative magnetic flux leakage testing system based on A3515 Hall clement was introduced, including its composition and operation. 摘要介绍基于A3515霍尔元件的交变漏磁检测系统的设计,包括检测系统的组成和测试方法。
- A two-stage self-adapting filter method is proposed for implementing noise decrease in magnetic flux leakage signals. 摘要介绍一种两级自适应滤波算法对漏磁信号进行降噪的实现。
- Finite element method (FEM) is commonly used in analysis of magnetic flux leakage (MFL) of defect of oil pipe. 有限元法广泛应用于石油管道缺陷漏磁场分析,成为替代物理试验,获得大量缺陷漏磁信号的有效手段。
- The magnetic leakage field in HTS transformer decreases the critical current of winding and increases the AC losses. 高温超导变压器的漏磁场严重会影响绕组中的临界电流和交流损耗。
- Magnetic Flux Leakage(MFL) detectingtechnologyisthe main method of on-lineinspection. 漏磁检测技术是管道在线检测的主要方法。
- Magnetic flux leakage testing method (MFL) as an effective method is widely used in steel pipes inspection system. 漏磁检测法作为一种高效的检测方法被广泛应用于钢管的在线无损检测。
- Abstract:When magnetic flux leakag(eMFL)means is employedin nondestructive evaluation of gun muzzle,MFL signal containsnoises. 摘要:采用漏磁法对炮管进行无损检测时,漏磁信号中含有噪声。
- The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory. 摘要利用磁偶极子理论,建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
- The experiment result indicates that the algorithm is effective in the noise decrease effect for magnetic flux leakage signals. 将演算法应用于管道漏磁检测系统中,实验结果表明该演算法在漏磁信号的处理中能取得较好的降噪效果。
- Using finite element method (FEM), the magnetostatic and transient emulation models of magnetic flux leakage (MFL) of oil tube are established. 采用有限元技术,建立了油管缺陷漏磁场的静态和瞬态仿真模型。
- According to the lately force magnetic theory,tiny Holl probe was used to practice magnetic flux leakage(MFL) testing on R3 middle-carbon steel. 根据最新力磁理论,使用微型霍尔探头对R3碳钢进行漏磁检测。
- These sensors detect the leakage fields generated by the inspection process. 这些传感器在检测过程中可探测到泄漏区域。
- Magnetic flux leakage (MFL) inspection is a most successful non-destructive evaluation technique used for in-service inspection of pipelines. 摘要漏磁(MFL)检测是油气管道在线检测中应用非常成熟的一种无损检测技术。
- There are varying noises in output signal obtained from magnetic flux leakage (MFL) nondestructive testing of oil pipeline. 摘要在采用漏磁法对输油管道进行无损检测过程中,信号会受到各种噪声的干扰。