本文讨论了适用于管道端头的漏磁检测方法。
This article mainly discussed the magnetic Flux Leakage (MFL) methods which is suitable for ferromagnetic pipeline end.
还简要地讨论了缺陷参数与漏磁信号的相互关系。
We also discuss the mutual relationship between some parameters of the flaw and the magnetic leakage signal.
实验研究了单根断丝和集中断丝的漏磁信号特征。
The signal characteristic of single and mass broken wires is investigated and the testing signal is analyzed in the experiments.
探讨了漏磁检测在常压储罐罐底腐蚀缺陷检测中的应用。
Application of magnetic flux leakage (MFL) testing to the detection of corrosion in atmospheric storage tank floor was studied.
准确计算永磁漏磁导可以有效提高等效磁路法计算精度。
The accuracy of equivalent circuit method can be effectively improved if the calculation of PM leakage permeance is accurate.
本文首先给出石油专用管二维漏磁高速探伤机的工作原理。
The article refers to the oil pipe two - dimension leak - magnetic detector firstly.
采用漏磁法对炮管进行无损检测时,漏磁信号中含有噪声。
When magnetic flux leakage (MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.
由此得到的气隙基波磁通和漏磁系数与试验求得值均相吻合。
The fundamental flux in the air gap and the leakage flux coefficient from the computation are validated through the test.
实验表明综合运用电涡流方法和漏磁方法检测输电线是可行的。
The experiments indicate it is feasible to comprehensively use the eddy current and MFL methods to detect the transmission lines.
介绍了输油管道漏磁检测方法及归一化最小均方自适应滤波方法。
MFL nondestructive testing of oil pipeline and normalized least mean squared adaptive filter methods were presented.
本文提出一种交流电动机转子槽下部漏磁导的数值积分计算方法。
In this paper, it is given a numerical integral calculating method of rotor-slot leak - age permeances of alternating electrical machines.
本文探讨了漏磁方法在常压储罐罐底腐蚀缺陷检测中的应用问题。
This paper discusses the problem of the Magnetic flux leakage as to applied to atmospheric storage tank flat bottom tank floor corrosion inspection.
介绍了漏磁腐蚀检测技术原理及在阿赛输油管道上应用的具体情况。
The article introduces the principle of magnetic leakage detection technology and concrete application condition of it in Arshai oil pipeline.
在漏磁检测领域的实际应用中本课题有着重要的实用价值和研究意义。
In the field of practical application of MFL, this issue has important practical value and significance.
并将此方法应用于漏磁检测中,通过试验,所得结果与实际缺陷相吻合。
In MFL testing introduces this method and denoises the signal, the results are keep accord.
模拟损伤发生时的漏磁信号,与没有发生任何损伤时的检测信号进行对比。
The signal of magnetic flux leakage is calculated when damage occurs at the wall of the pipeline.
根据油管漏磁无损检测的特点,分析了油管的磁化作用和其中存在的剩磁。
According to the characteristics of tubing-magnetic-leakage detection, tubing magnetization and residual magnet in it are analyzed.
漏磁检测是一个新的无损检测技术,它能快速准确发现钢结构损伤和缺陷。
Magnetic Flux Leakage detection is a new nondestructive testing technique and can be used for the rapid and accurate detection of the flaw and defect for steel structure.
针对油管漏磁自动检测过程中的剩磁,选用了直流退磁方法进行退磁处理。
The direct current demagnetization method was selected to this auto-inspection line of tubing.
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。
There are varying noises in output signal obtained from magnetic flux leakage nondestructive testing of oil pipeline.
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。
There are varying noises in output signal obtained from magnetic flux leakage (MFL) nondestructive testing of oil pipeline.
如何研究由于漏磁引起的附加损耗以及在金属构件中的温升是变压器设计的难题。
How to research stray losses and temperature rise on metal parts caused by leakage flux is difficult task for transformer design.
钢管在线漏磁检测中为保证检测的速度及灵敏度,一般采用多路传感器检测技术。
For the magnetic leakage flux system for steel tube flaw online inspection, normally multi-sensor technique is used to ensure the detecting speed and sensibility.
简要叙述漏磁探伤的基本原理,介绍它的控制系统硬件结构,技术参数和具体功能。
The article describes the basic principle, control hardware configuration, technical parameter and function of flux leakage test.
为此,本文指出利用漏磁密度定量评价钢丝绳缺陷时应充分考虑钢丝绳张力的大小。
This dissertationindicated the tensile loads of wire rope should be considered when quantitativelyevaluating the defect by means of MFL.
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。
The aim and application of diagnostically lossless compression and the data compression method for magnetic flux leakage (MFL) inspection of pipelines were introduced.
本文研究了基于反演技术的漏磁信号分析方法,采用反演技术实现缺陷轮廓参数的评估。
Third, inversion methods of signal processing are studied to identify defects from magnetic flux leakage testing data.
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。
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.
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。
The alternative magnetic flux leakage testing system based on A3515 Hall element was introduced, including its composition and operation.
目前,对抽油杆的自动探伤主要有涡流、漏磁、磁粉及超声方法,各有其优缺点及适用范围。
Eddy current, magnetic leak, magnetic particle and ultrasonic test are the main methods used for pumping rod test.
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