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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 33 - 39 (7page)
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초록· 키워드
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Pipe wall-thinning by flow-accelerated corrosion and various types of erosion is significant damage in secondarysystem piping of nuclear power plants(NPPs). All NPPs in Korea have management programs to ensurepipe integrity from degradation mechanisms. Ultrasonic test(UT) is widely used for pipe wall thicknessmeasurement. Numerous UT measurements have been performed during scheduled outages. Wall-thinningrates are determined conservatively according to several evaluation methods developed by Electric PowerResearch Institute(EPRI). The issue of reliability caused by measurement error should be considered inthe process of evaluation. The reliability analysis method was developed for single and multiple measurementdata in the previous researches. This paper describes the application results of reliability analysis methodto real measurement data during scheduled outage and proved its benefits.
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참고문헌 (9)
참고문헌 신청
EPRI / 2004 / Guidelines for Plant Modeling and Evaluation of Component Inspection Data
EPRI / 2004 / Recommendations for Controlling Cavitation, Flashing, Liquid Droplet Impingement, and Solid Particle Erosion in Nuclear Power Plant Piping Systems
EPRI / 2008 / Least Square Methods for Evaluating Inspection Data
EPRI / 2009 / Statistical Methods for the Analysis of Multiple- Inspection Flow-Accelerated Corrosion Data
EPRI / 2010 / Development of an Averaged Point-to-Point Method for Inspection Data
EPRI / 2004 / Recommendations for Controlling Cavitation, Flashing, Liquid Droplet Impingement, and Solid Particle Erosion in Nuclear Power Plant Piping Systems
EPRI / 2008 / Least Square Methods for Evaluating Inspection Data
EPRI / 2009 / Statistical Methods for the Analysis of Multiple- Inspection Flow-Accelerated Corrosion Data
EPRI / 2010 / Development of an Averaged Point-to-Point Method for Inspection Data
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