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Theoretical and Experimental Studies of Longitudinal Guided Wave Generation in Hollow Cylinders by Multielement Transducers

  • Acoustic Methods
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Abstract

Numerical simulation and experimental investigation on defect detection in pipes using ultrasonic guided waves are carried out in the paper. In theoretical analysis, normal mode expansion method is used to quantify the coupling between the applied boundary loadings and acoustic field. The general results are specialized to the loading configuration of multielement transducers. Several important conclusions can be drawn about the design of transducers to generate guided wave modes in pipes. The importance of design parameters such as the number of elements, the ratio of gap width to element width, and the length of each element is discussed in detail. The experimental study demonstrates the use of practical axisymmetric loading in generating axisymmetric longitudinal guided waves, which is particularly useful in the inspection of tubing or piping.

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Authors and Affiliations

  1. Department of Information Measurement Technology and Instruments, Shanghai Jiaotong University, Shanghai, 200030, China

    Zhigang Zhang, Peiwen Que & Huaming Lei

Authors
  1. Zhigang Zhang
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  2. Peiwen Que
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  3. Huaming Lei
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From Defektoskopiya, Vol. 41, No. 10, 2005, pp. 70–80.

Original English Text Copyright © 2005 by Zhigang Zhang, Peiwen Que, Huaming Lei.

This text was submitted by the authors in English.

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Zhang, Z., Que, P. & Lei, H. Theoretical and Experimental Studies of Longitudinal Guided Wave Generation in Hollow Cylinders by Multielement Transducers. Russ J Nondestruct Test 41, 674–681 (2005). https://doi.org/10.1007/s11181-006-0017-4

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  • DOI: https://doi.org/10.1007/s11181-006-0017-4

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