Optimized microwave excitation probe for general application in NDT of wall thinning in metal pipes of arbitrary diameter

Kota Sasaki; Linsheng Liu; Noritaka Yusa; Hidetoshi Hashizume

doi:10.1016/j.ndteint.2014.12.004

Optimized microwave excitation probe for general application in NDT of wall thinning in metal pipes of arbitrary diameter

Kota Sasaki, Linsheng Liu, Noritaka Yusa, Hidetoshi Hashizume

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Generalized approaches to developing a microwave NDT for flaws inside an arbitrary diameter pipe through optimizing a microwave-exciting probe were investigated. A microwave probe obtained from a parameter-optimizing scheme based on transmission characteristics is proposed. Three-dimensional finite element simulation of five microwave probes indicates that a larger optimization parameter enables reduced microwave reflection, as well as improved single-mode propagation inside the pipe as compared with conventional probes. Experimental verification, using straight brass pipes of various diameters confirmed that the optimized microwave probe exhibits a larger signal-to-noise ratio for internal flaws when compared with conventional probes, thereby validating the new optimization parameter.

Original language	English
Pages (from-to)	53-59
Number of pages	7
Journal	NDT and E International
Volume	70
DOIs	https://doi.org/10.1016/j.ndteint.2014.12.004
Publication status	Published - 2015 Mar

Keywords

Electromagnetic field analysis
Microwave probe design
Pipe-flaw inspection
Probe optimizing parameter

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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title = "Optimized microwave excitation probe for general application in NDT of wall thinning in metal pipes of arbitrary diameter",

abstract = "Generalized approaches to developing a microwave NDT for flaws inside an arbitrary diameter pipe through optimizing a microwave-exciting probe were investigated. A microwave probe obtained from a parameter-optimizing scheme based on transmission characteristics is proposed. Three-dimensional finite element simulation of five microwave probes indicates that a larger optimization parameter enables reduced microwave reflection, as well as improved single-mode propagation inside the pipe as compared with conventional probes. Experimental verification, using straight brass pipes of various diameters confirmed that the optimized microwave probe exhibits a larger signal-to-noise ratio for internal flaws when compared with conventional probes, thereby validating the new optimization parameter.",

keywords = "Electromagnetic field analysis, Microwave probe design, Pipe-flaw inspection, Probe optimizing parameter",

author = "Kota Sasaki and Linsheng Liu and Noritaka Yusa and Hidetoshi Hashizume",

year = "2015",

month = mar,

doi = "10.1016/j.ndteint.2014.12.004",

language = "English",

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pages = "53--59",

journal = "NDT and E International",

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T1 - Optimized microwave excitation probe for general application in NDT of wall thinning in metal pipes of arbitrary diameter

AU - Sasaki, Kota

AU - Liu, Linsheng

AU - Yusa, Noritaka

AU - Hashizume, Hidetoshi

PY - 2015/3

Y1 - 2015/3

N2 - Generalized approaches to developing a microwave NDT for flaws inside an arbitrary diameter pipe through optimizing a microwave-exciting probe were investigated. A microwave probe obtained from a parameter-optimizing scheme based on transmission characteristics is proposed. Three-dimensional finite element simulation of five microwave probes indicates that a larger optimization parameter enables reduced microwave reflection, as well as improved single-mode propagation inside the pipe as compared with conventional probes. Experimental verification, using straight brass pipes of various diameters confirmed that the optimized microwave probe exhibits a larger signal-to-noise ratio for internal flaws when compared with conventional probes, thereby validating the new optimization parameter.

AB - Generalized approaches to developing a microwave NDT for flaws inside an arbitrary diameter pipe through optimizing a microwave-exciting probe were investigated. A microwave probe obtained from a parameter-optimizing scheme based on transmission characteristics is proposed. Three-dimensional finite element simulation of five microwave probes indicates that a larger optimization parameter enables reduced microwave reflection, as well as improved single-mode propagation inside the pipe as compared with conventional probes. Experimental verification, using straight brass pipes of various diameters confirmed that the optimized microwave probe exhibits a larger signal-to-noise ratio for internal flaws when compared with conventional probes, thereby validating the new optimization parameter.

KW - Electromagnetic field analysis

KW - Microwave probe design

KW - Pipe-flaw inspection

KW - Probe optimizing parameter

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