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Investigation of Goubau Wave Propagation on Large Pipes for Sensing Applications

Journal Article · · Sensors
DOI:https://doi.org/10.3390/s23114991· OSTI ID:1974817

We examine the application of guided waves on a single conductor (Goubau waves) for sensing. In particular, the use of such waves to remotely interrogate surface acoustic wave (SAW) sensors mounted on large-radius conductors (pipes) is considered. Experimental results using a small-radius (0.0032 m) conductor at 435 MHz are reported. The applicability of published theory to conductors of large radius is examined. Finite element simulations are then used to study the propagation and launching of Goubau waves on steel conductors up to 0.254 m in radius. Simulations show that waves can be launched and received, although energy loss into radiating waves is a problem with current launcher designs.

Sponsoring Organization:
USDOE
OSTI ID:
1974817
Alternate ID(s):
OSTI ID: 2471191
Journal Information:
Sensors, Journal Name: Sensors Journal Issue: 11 Vol. 23; ISSN SENSC9; ISSN 1424-8220
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English

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