A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oil well tubing in-service was presented.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
On the base of introducing the principle of the magnetic flux leakage (MFL) detection, the finite element method based on ANSYS used to simulate and analyze the MFL signal is presented.
在介绍漏磁检测原理的基础上，详细论述了利用有限元法分析缺陷信号的方法以及利用ANSYS对漏磁信号的仿真过程和仿真结果，并对结果进行分析。
The aim and application of diagnostically lossless compression and the data compression method for magnetic flux leakage (MFL) inspection of pipelines were introduced.
介绍检测无损压缩的目的、应用以及针对管道漏磁检测数据的一种检测无损压缩方法。
Alternative magnetic leakage flux method was developed from the eddy current testing and traditional magnetic leakage flux testing, and it was advantageous for surface flaw recognition.
交变漏磁检测方法由于兼具涡流检测和传统漏磁检测的特点，对表面缺陷具有很高的识别率。
Magnetic flux leakage (MFL) nondestructive evaluation commonly used in the nondestructive evaluation of ferromagnetic material is an efficient method in inspection of oil pipelines in recent years.
漏磁无损检测普遍用于铁磁材料的无损检测中，是近年来输油管道检测中常用的一种有效方法。
The result shows that there is high rate of recognition about the little defect on the thin steel pipe by alternative current magnetic leakage flux method.
结果表明，该交变漏磁法对钢管表面较小裂纹具有较高的检出率。
A new Nondestructive testing method, alternative current magnetic flux leakage testing, was introduced to inspect the flaw in the drilling tool thread area.
采用交流磁场检测法对钻具螺纹进行了探伤。
A new method on quantitative analysis of magnetic flux leakage signal based on ant colony neural network is proposed.
提出一种基于蚁群神经网络的漏磁信号定量分析方法。
Magnetic flux leakage (MFL) testing is one of common methods for nondestructive testing of gas transmission pipeline and an effective method of real time detecting of gas transmission pipeline.
漏磁检测是输气管道无损检测的常用方法之一，也是实现管道在役检测的有效方法。
When storage tanks are opened, magnetic flux leakage testing is an effective method for corrosive evaluation of tank floor.
漏磁检测技术是储罐开罐后底板腐蚀状态检测的有效手段。
When storage tanks are opened, magnetic flux leakage testing is an effective method for corrosive evaluation of tank floor.
漏磁检测技术是储罐开罐后底板腐蚀状态检测的有效手段。
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