New version of performance demonstration program for steam generator tubing analysts

Title
New version of performance demonstration program for steam generator tubing analysts
Author(s)
홍승열조찬희[조찬희]이희종[이희종]남민우[남민우]유현주[유현주]
Issue Date
201303
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.27, no.3, pp.679 - 683
Abstract
The reliability and performance of steam generators (SGs) are serious concerns in the operation of nuclear power plants. In particular, SG tubing is subject to a variety of degradation processes that can lead to potential leakage or rupture. To prevent a plant shutdown from this kind of event, the integrity of SG tubing should be periodically determined. The eddy current test is widely used for the inspection of SG tubing during in-service inspection. For the evaluation of eddy current data, analysts are required to have the Level II or greater qualification based on the american society for nondestructive testing (ASNT) standard. In addition, analysts evaluating eddy current data obtained from SG tubing are required to have a qualification of performance demonstration. The performance demonstration program in Korea has existed since 2004 and uses the qualified data analyst (QDA) program developed by the electric power research institute (EPRI). Recently, the QDA program was updated by EPRI. The updated QDA program has been in effect for SG tubing analysts in Korea since 2010. In this paper, we describe the performance demonstration program, the degradation mechanisms, and the inspection techniques for SG tubing in nuclear power plants.
URI
http://hdl.handle.net/YU.REPOSITORY/26221http://dx.doi.org/10.1007/s12206-013-0132-9
ISSN
1738-494X
Appears in Collections:
공과대학 > 기계공학부 > Articles
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