In this paper, industry pipeline defects NDT using ultrasonic guided waves was carried out theoretically and experimentally.
本文对超声导波技术应用于工业管道缺陷无损检测进行了理论和实验研究。
By using two kinds of model of ducts in which the VLF electromagnetic waves are guided, we obtain the distributions of magnetic field and current in the whistler duets.
利用两种能够引导甚低频电磁波的导管模式，求得哨声导管中磁场和电流的分布。
Based on previous study on the guided wave propagated in the pipeline, the main of this paper is to do experimental study on damage detection in pipes using ultrasonic guided waves technique.
本文在前人对导波在管道中传播的理论基础上，重点对管道进行了损伤检测的实验研究。
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