Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide

Abstract The authors propose a new non‐destructive inspection method for underground fiberglass‐reinforced plastic mortar pipelines utilizing the periodic patterns of microwave guided‐modes on a hollow cylindrical dielectric waveguide. By the spatial synthesis of the microwaves utilizing the periodi...

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Autores principales:	Sayaka Matsukawa, Kosuke Yoshida, Tadahiro Okuda, Masaya Hazama, Satoru Kurokawa, Hiroshi Murata
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/76aac494512840ca939e4909faf7c1af
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spelling	oai:doaj.org-article:76aac494512840ca939e4909faf7c1af2021-11-19T05:42:54ZNon‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide1350-911X0013-519410.1049/ell2.12309https://doaj.org/article/76aac494512840ca939e4909faf7c1af2021-11-01T00:00:00Zhttps://doi.org/10.1049/ell2.12309https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract The authors propose a new non‐destructive inspection method for underground fiberglass‐reinforced plastic mortar pipelines utilizing the periodic patterns of microwave guided‐modes on a hollow cylindrical dielectric waveguide. By the spatial synthesis of the microwaves utilizing the periodicity in the circumferential direction of a pipe, the authors found that a periodic pattern of the microwaves such as the Talbot effect with producing self‐images at the Talbot distance, was observed over the pipe‐wall. Further, adjusting the phase relationship between adjoining antenna elements changed the positions of the peak and null in the periodic pattern on the pipe‐wall. Additionally, when an unwanted foreign object was attached to the pipe, the periodic pattern of the microwaves can be disturbed according to the size and position of the object, and it is possible to inspect the pipeline using narrow‐band microwave signals. This paper experimentally demonstrated the successful detection of a foreign object on the pipe‐wall by scanning Talbot‐like patterns with a sensor along the pipe‐wall. This technique enables the non‐destructive inspection of pipelines using only narrow‐band, licence‐free microwave signals.Sayaka MatsukawaKosuke YoshidaTadahiro OkudaMasaya HazamaSatoru KurokawaHiroshi MurataWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 24, Pp 933-935 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Sayaka Matsukawa Kosuke Yoshida Tadahiro Okuda Masaya Hazama Satoru Kurokawa Hiroshi Murata Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
description	Abstract The authors propose a new non‐destructive inspection method for underground fiberglass‐reinforced plastic mortar pipelines utilizing the periodic patterns of microwave guided‐modes on a hollow cylindrical dielectric waveguide. By the spatial synthesis of the microwaves utilizing the periodicity in the circumferential direction of a pipe, the authors found that a periodic pattern of the microwaves such as the Talbot effect with producing self‐images at the Talbot distance, was observed over the pipe‐wall. Further, adjusting the phase relationship between adjoining antenna elements changed the positions of the peak and null in the periodic pattern on the pipe‐wall. Additionally, when an unwanted foreign object was attached to the pipe, the periodic pattern of the microwaves can be disturbed according to the size and position of the object, and it is possible to inspect the pipeline using narrow‐band microwave signals. This paper experimentally demonstrated the successful detection of a foreign object on the pipe‐wall by scanning Talbot‐like patterns with a sensor along the pipe‐wall. This technique enables the non‐destructive inspection of pipelines using only narrow‐band, licence‐free microwave signals.
format	article
author	Sayaka Matsukawa Kosuke Yoshida Tadahiro Okuda Masaya Hazama Satoru Kurokawa Hiroshi Murata
author_facet	Sayaka Matsukawa Kosuke Yoshida Tadahiro Okuda Masaya Hazama Satoru Kurokawa Hiroshi Murata
author_sort	Sayaka Matsukawa
title	Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
title_short	Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
title_full	Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
title_fullStr	Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
title_full_unstemmed	Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
title_sort	non‐destructive inspection for frpm pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/76aac494512840ca939e4909faf7c1af
work_keys_str_mv	AT sayakamatsukawa nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide AT kosukeyoshida nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide AT tadahirookuda nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide AT masayahazama nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide AT satorukurokawa nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide AT hiroshimurata nondestructiveinspectionforfrpmpipelineusingperiodicpatternofmicrowaveguidedmodesoncylindricaldielectricwaveguide
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Non‐destructive inspection for FRPM pipeline using periodic pattern of microwave guided‐modes on cylindrical dielectric waveguide

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