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A Study on the Optimum Generation Condition of Ultrasonic Guided Waves for Insulation Pipelines
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단열된 배관의 유도초음파 최적 발생조건 선정에 관한 연구

논문 기본 정보

Type
Academic journal
Author
Dong-Hoon Lee (한국가스안전공사) Hyun-Joon Cho (품질안전기술원) To Kang (한국원자력연구원) Dong-Jun Park (품질안전기술원) Byung-Duk Kim (한국가스안전공사) Yun-Sil Huh (한국가스안전공사) Yeon-Jae Lee (한국가스안전공사)
Journal
The Korean Institute of Gas JOURNAL OF THE KOREAN INSTITUTE OF GAS Vol.20 No.6 KCI Accredited Journals
Published
2016.12
Pages
50 - 57 (8page)

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A Study on the Optimum Generation Condition of Ultrasonic Guided Waves for Insulation Pipelines
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Research history (5)

2016

A Study on the Optimum Generation Condition of Ultrasonic Guided Waves for Insulation Pipelines
Dong-Hoon Lee ,  Hyun-Joon Cho ,  To Kang and others 5 JOURNAL OF THE KOREAN INSTITUTE OF GAS 2016.12 Academic journal

2014

A Study on Specification of Ultrasonic Guided Waves Inspection System in Petrochemical Plant Pipelines
이동훈 ,  권정락 ,  김병덕 and others 1 한국에너지학회 학술발표회 2014.11 Proceeding
A Study of Generation Condition of Guided Waves in Petrochemical Plant Pipelines
이동훈 ,  권정락 ,  김병덕 and others 1 한국에너지학회 학술발표회 2014.04 Proceeding

2008

A Study of Optimum Condition for Flaw Detection with Corrosion Under Insulation Pipeline using Ultrasonic Guided waves
Dong-Hoon Lee ,  Young-Do Jo ,  Kyo-Sik Pa and others 4 한국에너지학회 학술발표회 2008.10 Proceeding

2007

Determination of Optimum Condition for Crack Detection using Ultrasonic Guided waves in KS D 3631 Piplines
Dong-Hoon Lee ,  Ji-Yoon Kim ,  Young-Do Jo and others 1 한국가스학회 학술대회논문집 2007.04 Proceeding
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Abstract· Keywords

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Pipeline is one of the most abundant components in petrochemical plant. It plays a critical role in transporting fluids. Some pipelines are thermally insulated by wrapping them with insulating materials to prevent the loss of energy. However, when corrosion begins under insulation, it cannot be easily seen without unwrapping the cover, and thus corrossion should be detected using a non-destructive ways such as ultrasound guided wave. In this paper, the piping where the CUI (Corrosion Under Insulation) which occurs in the insulation parts guided waves effectively the optimum condition which is theoretical for selected guided waves phase velocity dispersion curve and wave-structure. The results of this study are expected to be directly utilized for onsite inspection of pipeline’s CUI in many petrochemical plants.
#guided waves #mode selection #corrosion under insulation #dispersion curves #wave structure

Contents

요약
Abstract
I. 서론
II. 유도초음파 적용 대상체의 선정
III. 배관을 전파하는 유도초음파 해석
IV. 배관을 전파하는 유도초음파의 발진조건
V. 결론
REFERENCES

References (8)

Add References
[학술지(정기간행물)] - D. C. Gazis / 1959 / Three dimensional investigation of propagation of waves in hollow circular cylinders. I. Analytical foundation / J. Acoust. Soc. Am 31 (5) : 568 ~ 573 google schola [학위논문] - D.H. Lee / 2011 / A study on the Multi Channel Ultrasonic Guided Waves focusing method for enhancing crack detectability in long-range pipeline / Sungkyunkwan University google schola [학술지(정기간행물)] - D.H. Lee / 2004 / Application of Guided Waves for Detection of Scale Inside Water Supply Pipes / Key Engineering Materials : 270 ~ 273 google schola [학술대회논문] - Y.M Cheong / 2003 / Optimization of the ultrasonic guided wave parameters for crack detection in a feeder pipe of the PHWR power plants / Ultrasonic International`03 google schola [단행본] - J. L. Rose / 1999 / Ultrasonic Waves in Solid Media / Cambridge University Press google schola

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