scholarly journals Design and Implementation of an Electronic Front-End Based on Square Wave Excitation for Ultrasonic Torsional Guided Wave Viscosity Sensor

Sensors ◽  
2016 ◽  
Vol 16 (10) ◽  
pp. 1681 ◽  
Author(s):  
Amir Rabani
Author(s):  
Ju Ding ◽  
Min Zhang ◽  
Shu-Hong Liu ◽  
Chen-huai Tang ◽  
Jie-Lu Wang ◽  
...  

Ultrasonic guided wave inspection technology has been widely for long distance pipeline inspection; however, the pipe elbow’s discontinuous structure and the dispersion of L-type wave are restricting the application of this technology. This paper proposes a method of L(0,2) mode guided wave excitation based on magnetostrictive effect and explores the optimization of the magnetization sensor arrangement. Test results shows that the proposed method can detect many types of defects in the pipe elbow. This paper encourages the use of L(0,2) mode guided wave excitation based on magnetostrictive effect in pipeline site inspections.


2006 ◽  
Vol 449 (1) ◽  
pp. 11-19 ◽  
Author(s):  
Jana Heuer ◽  
Ralf Stannarius ◽  
Thomas John
Keyword(s):  

1970 ◽  
Vol 117 (4) ◽  
pp. 821
Author(s):  
R. Hutchins ◽  
G.W. McLean ◽  
G.F. Nix ◽  
S.R. Alwash

2004 ◽  
Vol 72 (4) ◽  
pp. 469-476 ◽  
Author(s):  
Eugene I. Butikov

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