MAGNETIC FLUX LEAKAGE PIGS OR ULTRASONIC PIGS? THE CASE FOR COMBINED INTELLIGENT PIG INSPECTIONSPipeline operators now have a wide choice of inline inspection tools (pigs) that have the capability to deliver a consistently high-level of reporting of pipeline features and defects. The two main ...
Magnetic Flux Leakage (MFL) is an NDT technique commonly used to inspect for wall loss and sharp defects such as pitting, grooving, and circumferential cracks.
In this manner, an MFL pig detects an anomaly that causes flux to leak. The measured leakage field depends on the depth, length, width, and shape of the anomaly, as well as the magnetic properties of the nearby material. To characterize the anomaly, the measured leakage field must be ...
The first "intelligent" pig was introduced in the mid-1960s in the US to measure metal loss in a carbon steel pipe using magnetic flux leakage (MFL). Going with the flow: ever-bigger pipelines bring ever-larger amounts of gas from ever-greater distances. Ensuring their integrity is a com...
using a magnetic flux intelligent pig 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 翻译结果2复制译文编辑译文朗读译文返回顶部...
As a promising non-destructive testing (NDT) method, magnetic flux leakage (MFL) testing has been widely used for steel structure inspection. However, MFL testing still faces a great challenge to detect inner defects. Existing MFL course researches mainl
Magnetic-flux pig run successful on TAPS: Harle, J.C. Oil and Gas Journal, Vol. 86, No. 41, pp. 72–75 (10 Oct. 1988)doi:10.1016/S0963-8695(97)80905-XELSEVIERNDT & E International
Since the entire shape of the robot follows its tip trajectory, once the length of advance l and the magnetic flux density B in each motion cycle have been calculated, the robot can be deployed along the planned path. The motion of the robot in one cycle is shown in Fig. 3d. The robo...
If an area of flux leakage is present, the particles will be attracted to this area. The particles will build up at the area of leakage and form what is known as an indication. The indication can then be evaluated to determine what it is, what may have caused it, and what action ...
detector passes by the crack, flux leakage and the like. Considering these factors the limit of detectability of stress or corrosion cracks in steel pipe may be in the range of 1,000 microinches or greater. Hall effect devices or elements are also well-known for use in detecting the ...