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원전 2차계통의 수화학 변화가 배관감육에 미치는 영향 분석

Title
원전 2차계통의 수화학 변화가 배관감육에 미치는 영향 분석
Other Titles
Analysis of Pipe Wall-thinning Caused by Water Chemistry Change in Secondary System of Nuclear Power Plant
Author
문승재
Keywords
flow-accelerated corrosion; wall-thinning; water chemistry
Issue Date
2015-12
Publisher
한국부식방식학회
Citation
CORROSION SCIENCE AND TECHNOLOGY, v. 14, NO 6, Page. 325-330
Abstract
Pipe wall-thinning by flow-accelerated corrosion (FAC) is a significant and costly damage of secondary system piping in nuclear power plants (NPPs). All NPPs have their management programs to ensure pipe integrity from wall-thinning. This study analyzed the pipe wall-thinning caused by changing the amine, which is used for adjusting the water chemistry in the secondary system of NPPs. The pH change was analyzed according to the addition of amine. Then, the wear rate calculated in two different amines was compared at the steam cycle in NPPs. As a result, increasing the pH at operating temperature (Hot pH) can reduce the rate of FAC damage significantly. Wall-thinning is affected by amine characteristics depending on temperature and quality of water.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=E1COB2_2015_v14n6_325http://hdl.handle.net/20.500.11754/29585
ISSN
2288-6524; 1598-6462
DOI
10.14773/cst.2015.14.6.325
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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